Gaya APA

Pulschen, R, A, S, D, P, S, D, M. (1995). Computers & Information Sistems . USA: Prentice Hall, Inc, New Jersey 07632.

Gaya MLA

Pulschen, Robert, A., Szymanski,, Donald, P., Szymanski,, Donna, M.. "Computers & Information Sistems". USA: Prentice Hall, Inc, New Jersey 07632, 1995. Text.