APA-viite (7. p.)

Whitten, J. L. (1994). Systems analysis & design methods (3rd.ed.). Irwin.

Chicago-viite (17. p.)

Whitten, Jeffrey L. Systems Analysis & Design Methods. 3rd.ed. Burr Ridge: Irwin, 1994.

MLA-viite (9. p.)

Whitten, Jeffrey L. Systems Analysis & Design Methods. 3rd.ed. Irwin, 1994.