Gaya APA

OLEARY, T, J., Williams, B, K. (1989). Study Guide for Computers And Information Systems (edisi 2). California: The Benjamin/Cummings.

Gaya MLA

OLEARY, Timothy, J., Williams, Brian, K. "Study Guide for Computers And Information Systems". edisi 2 California: The Benjamin/Cummings, 1989. Text.