Dyfyniad APA
Whitten, J. L., & Bentley, L. D. (2004). Systems anasysis and design methods (6th ed.). Tata McGraw-Hill.
Dyfyniad Arddull Chicago
Whitten, Jeffery L., and Lonnie D/Dittman Bentley. Systems Anasysis and Design Methods. 6th ed. New Delhi: Tata McGraw-Hill, 2004.
Dyfyniad MLA
Whitten, Jeffery L., and Lonnie D/Dittman Bentley. Systems Anasysis and Design Methods. 6th ed. Tata McGraw-Hill, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.