Cita APA (7th ed.)

Whitten, J. L., Bentley, L. D., & Barlow, V. M. (1994). Systems analysis and design methods (3rd ed.). Irwin.

Cita Chicago (17th ed.)

Whitten, Jeffrey L., Lonnie D. Bentley, i Victor M. Barlow. Systems Analysis and Design Methods. 3rd ed. Burr Ridge, Ill: Irwin, 1994.

Cita MLA (9th ed.)

Whitten, Jeffrey L., et al. Systems Analysis and Design Methods. 3rd ed. Irwin, 1994.