Dyfyniad APA

Castleden, R. (2009). Encounters that changed the world. Futura.

Dyfyniad Arddull Chicago

Castleden, Rodney. Encounters That Changed the World. London: Futura, 2009.

Dyfyniad MLA

Castleden, Rodney. Encounters That Changed the World. Futura, 2009.

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