Dyfyniad APA

Ellis, E. G., Esler, A., & Beers, B. F. (2009). Prentice Hall world history. Illinois (Illinois ed.). Pearson Prentice Hall.

Dyfyniad Arddull Chicago

Ellis, Elisabeth Gaynor, Anthony Esler, and Burton F. Beers. Prentice Hall World History. Illinois. Illinois ed. Upper Saddle River, N.J.: Pearson Prentice Hall, 2009.

Dyfyniad MLA

Ellis, Elisabeth Gaynor, et al. Prentice Hall World History. Illinois. Illinois ed. Pearson Prentice Hall, 2009.

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