Dyfyniad APA

Potter, P. (2013). Savage Nature and Ecologic Exchange. Centers for Disease Control and Prevention.

Dyfyniad Arddull Chicago

Potter, Polyxeni. Savage Nature and Ecologic Exchange. Centers for Disease Control and Prevention, 2013.

Dyfyniad MLA

Potter, Polyxeni. Savage Nature and Ecologic Exchange. Centers for Disease Control and Prevention, 2013.

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