Campbell, D. J. (1975). A survey of British practice in co-ordinate indexing in information: Library units. Aslib.
Chicago-Zitierstil (17. Ausg.)Campbell, D. J. A Survey of British Practice in Co-ordinate Indexing in Information: Library Units. London: Aslib, 1975.
MLA-Zitierstil (9. Ausg.)Campbell, D. J. A Survey of British Practice in Co-ordinate Indexing in Information: Library Units. Aslib, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.