APA-referens (7:e uppl.)

Whitten, J. (2005). System analysis and design methods (6.). Tata McGraw - Hill.

Chicago-referens (17:e uppl.)

Whitten, Jeffery. System Analysis and Design Methods. 6. New Delhi: Tata McGraw - Hill, 2005.

MLA-referens (9:e uppl.)

Whitten, Jeffery. System Analysis and Design Methods. 6. Tata McGraw - Hill, 2005.