Cita APA (7th ed.)
Whitten, J. L., & Bentley, L. D. (1986). Systems analysis and design methods (7th ed.). McGraw-Hill/Irwin.
Cita Chicago (17th ed.)
Whitten, Jeffrey L., i Lonnie D. Bentley. Systems Analysis and Design Methods. 7th ed. New delhi : New york: McGraw-Hill/Irwin, 1986.
Cita MLA (9th ed.)
Whitten, Jeffrey L., i Lonnie D. Bentley. Systems Analysis and Design Methods. 7th ed. McGraw-Hill/Irwin, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.