Dyfyniad APA

Hoffer, J. A., George, J. F., & Valacich, J. S. (2002). Modern systems analysis and design (2nd ed.). Reading, Mass.: Addison-Wesley.

Dyfyniad Arddull Chicago

Hoffer, Jeffrey A., Joey F. George, và Joseph S. Valacich. Modern Systems Analysis and Design. 2nd ed. Reading, Mass.: Addison-Wesley, 2002.

Dyfyniad MLA

Hoffer, Jeffrey A., Joey F. George, và Joseph S. Valacich. Modern Systems Analysis and Design. 2nd ed. Reading, Mass.: Addison-Wesley, 2002.

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