APA-referens (7:e uppl.)

Whitten, J. L., & Bentley, L. D. (2007). Systems analysis and design methods (7th ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Whitten, Jeffrey L., och Lonnie D. Bentley. Systems Analysis and Design Methods. 7th ed. Boston, Mass.: McGraw-Hill, 2007.

MLA-referens (9:e uppl.)

Whitten, Jeffrey L., och Lonnie D. Bentley. Systems Analysis and Design Methods. 7th ed. McGraw-Hill, 2007.