Não informado. (1971). R & D Projects in Documentation and Librarianship. International Federation for Documentation.
Chicago-Zitierstil (17. Ausg.)Não informado. R & D Projects in Documentation and Librarianship. The Hague, Holanda: International Federation for Documentation, 1971.
MLA-Zitierstil (8. Ausg.)Não informado. R & D Projects in Documentation and Librarianship. International Federation for Documentation, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.