Source Identifier Type

The type of source identifier, such as DOI, ISSN, ISBN, publisher’s identifier, etc. for a <related-object>


Used along with @source-id to identify the publication that is (or contains) the target of the <related-object> element. The @source-id might contain an ISBN as content, and the @source-id-type should indicate that this ID is an ISBN.

Attribute Values

In Element

Value Meaning
Text, numbers, or special characters The type of identifier that names the source of the related object, for example, a DOI
Restriction: This attribute may be specified if the element is used.