Dyfyniad APA

Dickinson, M. (1994). Wonders of the ancient world. National Geographic.

Dyfyniad Arddull Chicago

Dickinson, Mary. Wonders of the Ancient World. Washington: National Geographic, 1994.

Dyfyniad MLA

Dickinson, Mary. Wonders of the Ancient World. National Geographic, 1994.

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