Tohutoro APA (7th ed.)

O'Brien, J. A. (1994). Introduction to information systems (7th ed.). Irwin.

Tohutoru Kātū Chicago (17th ed.)

O'Brien, James A. Introduction to Information Systems. 7th ed. Burr Ridge, Ill.: Irwin, 1994.

Tohutoro MLA (9th ed.)

O'Brien, James A. Introduction to Information Systems. 7th ed. Irwin, 1994.