Dyfyniad APA

Thomson, H. (2009). Fifty wonders of the world. Quercus.

Dyfyniad Arddull Chicago

Thomson, Hugh. Fifty Wonders of the World. London: Quercus, 2009.

Dyfyniad MLA

Thomson, Hugh. Fifty Wonders of the World. Quercus, 2009.

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