Não informado. (1977). Library Acquisitions: Practice and theory. Pergamon Press.
Chicago-Zitierstil (17. Ausg.)Não informado. Library Acquisitions: Practice and Theory. New York: Pergamon Press, 1977.
MLA-Zitierstil (8. Ausg.)Não informado. Library Acquisitions: Practice and Theory. Pergamon Press, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.