Dyfyniad APA

Beers, B. F., Ellis, E. G., & Esler, A. (1997). World history: Connections to today (Teacher's ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Beers, Burton F., Elisabeth Gaynor Ellis, and Anthony Esler. World History: Connections to Today. Teacher's ed. Upper Saddle River, N.J: Prentice-Hall, 1997.

Dyfyniad MLA

Beers, Burton F., et al. World History: Connections to Today. Teacher's ed. Prentice-Hall, 1997.

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