(1977). Directory of operational computer applications in united kingdom libraries and information units (2rd. e.). Aslib.
Chicago-Zitierstil (17. Ausg.)Directory of Operational Computer Applications in United Kingdom Libraries and Information Units. 2rd. e. London: Aslib, 1977.
MLA-Zitierstil (9. Ausg.)Directory of Operational Computer Applications in United Kingdom Libraries and Information Units. 2rd. e. Aslib, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.