otherLangs 

(other languages) one or more codes identifying any other languages used
in the bibliographic work.

Attribute Information

Source 

<xs:attribute name="otherLangs">
  <xs:annotation>
    <xs:documentation>(other languages) one or more codes identifying any other languages used in the bibliographic work.</xs:documentation>
  </xs:annotation>
  <xs:simpleType>
    <xs:restriction>
      <xs:simpleType>
        <xs:list itemType="xs:language"/>
      </xs:simpleType>
      <xs:minLength value="1"/>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>

Sample