Dyfyniad APA

Whitten, J. L. (2004). Systems analysis design methods. Boston, MA: McGraw-Hill/Irvin.

Dyfyniad Arddull Chicago

Whitten, Jeffrey L. Systems Analysis Design Methods. Boston, MA: McGraw-Hill/Irvin, 2004.

Dyfyniad MLA

Whitten, Jeffrey L. Systems Analysis Design Methods. Boston, MA: McGraw-Hill/Irvin, 2004.

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