Dyfyniad APA

Jacobs, H. H., & LeVasseur, M. (2005). Prentice Hall world studies Western Hemisphere: Geography, history, culture. Pearson/Prentice Hall.

Dyfyniad Arddull Chicago

Jacobs, Heidi Hayes, and Michal LeVasseur. Prentice Hall World Studies Western Hemisphere: Geography, History, Culture. Needham, Mass.: Pearson/Prentice Hall, 2005.

Dyfyniad MLA

Jacobs, Heidi Hayes, and Michal LeVasseur. Prentice Hall World Studies Western Hemisphere: Geography, History, Culture. Pearson/Prentice Hall, 2005.

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