Record source identifier type code
An ONIX code identifying the scheme from which the identifier in the <IDValue> element is taken. Mandatory in each occurrence of the <RecordSourceIdentifier> composite, and non-repeating.
| Format | |
|---|---|
| ReferenceName | <RecordSourceIDType> |
| ShortTag | <x311> |
| Cardinality | 1 |
| Example |