Cita APA (7th ed.)

Harry, M. (1997). Information systems in business (2nd ed.). Pitman Pub.

Cita Chicago (17th ed.)

Harry, M.J.S. Information Systems in Business. 2nd ed. London: Pitman Pub, 1997.

Cita MLA (9th ed.)

Harry, M.J.S. Information Systems in Business. 2nd ed. Pitman Pub, 1997.