Hitchingham, E. E. (1975). On-line Data Bases I. Use of Commercially Vended On-line Data Bases by Academic Libraries.
Chicago-Zitierstil (17. Ausg.)Hitchingham, Eileen E. On-line Data Bases I. Use of Commercially Vended On-line Data Bases by Academic Libraries. 1975.
MLA-Zitierstil (9. Ausg.)Hitchingham, Eileen E. On-line Data Bases I. Use of Commercially Vended On-line Data Bases by Academic Libraries. 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.