Dyfyniad APA

Hoffer, J., & George, J. F. &. V. (2011). Modern Systems Analysis and Design (6th ed.). Pearson.

Dyfyniad Arddull Chicago

Hoffer, Jeffrey, and Joey F. & Valacich George. Modern Systems Analysis and Design. 6th ed. Boston: Pearson, 2011.

Dyfyniad MLA

Hoffer, Jeffrey, and Joey F. & Valacich George. Modern Systems Analysis and Design. 6th ed. Pearson, 2011.

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