Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.