<ref>

<ref> (referencia) define una referencia a otra localización, posiblemente modificada por un texto o comentario adicional. 3.6 Simple Links and Cross-References 16.1 Links
Módulo core — 3 Elements Available in All TEI Documents
Además de los atributos globales att.pointing (@target, @evaluate) att.typed (@type, @subtype) att.declaring (@decls)
cRef (referencia canónica) especifica el destino de la referencia mediante una referencia canónica de un esquema definido en un elemento refsDecl en el encabezado TEI.
Estado Opcional
Tipo de datos 1–∞ apariciones de  

<rng:ref name="data.word"/>
data.word
separado por espacio en blanco
Valores the value of cRef should be constructed so that when the algorithm for the resolution of canonical references (described in section 16.2.5 Canonical References) is applied to it the result is a valid URI reference to the intended target
Usado por
analytic monogr series model.ptrLike
Puede contener
analysis: c cl interp interpGrp m pc phr s span spanGrp w
certainty: certainty precision respons
core: abbr add address bibl biblStruct binaryObject cb choice cit corr date del desc distinct email emph expan foreign gap gloss graphic hi index label lb list listBibl measure measureGrp mentioned milestone name note num orig pb ptr q quote ref reg rs said sic soCalled stage term time title unclear
dictionaries: lang oRef oVar pRef pVar
drama: camera caption castList move sound tech view
figures: figure formula table
gaiji: g
header: biblFull idno
iso-fs: fLib fs fvLib
linking: alt altGrp anchor join joinGrp link linkGrp seg timeline
msdescription: catchwords depth dim dimensions height heraldry locus locusGrp material msDesc origDate origPlace secFol signatures stamp watermark width
namesdates: addName affiliation bloc country district forename genName geo geogFeat geogName listEvent listNym listOrg listPerson listPlace nameLink offset orgName persName placeName region roleName settlement state surname
spoken: incident kinesic pause shift vocal writing
tagdocs: att classRef classSpec code eg egXML elementRef elementSpec gi ident listRef macroRef macroSpec moduleRef moduleSpec specDesc specGrp specGrpRef specList tag val
textcrit: app listWit witDetail
transcr: addSpan am damage damageSpan delSpan ex fw handShift restore space subst supplied surplus
verse: caesura rhyme
Declaración 

<rng:element name="ref">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.pointing.attributes"/>
 <rng:ref name="att.typed.attributes"/>
 <rng:ref name="att.declaring.attributes"/>
 <rng:optional>
  <rng:attribute name="cRef">
   <rng:list>
    <rng:ref name="data.word"/>
    <rng:zeroOrMore>
     <rng:ref name="data.word"/>
    </rng:zeroOrMore>
   </rng:list>
  </rng:attribute>
 </rng:optional>
 <rng:ref name="macro.paraContent"/>
</rng:element>
element ref
{
   att.global.attributes,
   att.pointing.attributes,
   att.typed.attributes,
   att.declaring.attributes,
   attribute cRef { list { data.word, data.word* } }?,
   macro.paraContent
}
Schematron

<sch:report test="@target and @cRef">Only one of the
attributes 'target' and 'cRef' may be supplied.</sch:report>
Ejemplo
<ref
  target="http://www.natcorp.ox.ac.uk/Texts/A02.xml#s2"> See especially the second
sentence</ref> See also <ref>s.v. <term>locution</term>
</ref>.