Dyfyniad APA

Hoffer, J. A., George, J. F., & Valacich, J. S. (2002). Modern systems analysis and design (Third edition.). Prentice Hall ; Pearson Education.

Dyfyniad Arddull Chicago

Hoffer, Jeffrey A., Joey F. George, and Joseph S. Valacich. Modern Systems Analysis and Design. Third edition. Upper Saddle River, N.J. : New Delhi: Prentice Hall ; Pearson Education, 2002.

Dyfyniad MLA

Hoffer, Jeffrey A., et al. Modern Systems Analysis and Design. Third edition. Prentice Hall ; Pearson Education, 2002.

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