Gaya APA

Davis, G, B., Olson, M, H. (1985). Management Information Systems Conceptual Foundations, Structure, and Development (2). Singapore: MCGraw-Hill.

Gaya MLA

Davis, Gordon, B., Olson, Margrethe, H.. "Management Information Systems Conceptual Foundations, Structure, and Development". 2 Singapore: MCGraw-Hill, 1985. Text.