APA ציטוט

O'Leary, T. J. (1989). Computers and information systems. Redwood City, California: Benjamin/Cummings.

Trích dẫn kiểu Chicago

O'Leary, Tymothy J. Computers and Information Systems. Redwood City, California: Benjamin/Cummings, 1989.

ציטוט MLA

O'Leary, Tymothy J. Computers and Information Systems. Redwood City, California: Benjamin/Cummings, 1989.