Gaya APA

Szymanski, R, A, ,, D, P., M.Pulschen, D. (1995). Computers & Information Systems (cetakan 1). London: Prentice hall international.

Gaya MLA

Szymanski, Robert, A.Szymanski, ,, Donald, P., M.Pulschen, Donna. "Computers & Information Systems". cetakan 1 London: Prentice hall international, 1995. Text.