Dyfyniad APA

Stevenson ,Leslie. (2004). Theories Of Human Nature (4th ed.). OUP.

Dyfyniad Arddull Chicago

Stevenson ,Leslie. Theories Of Human Nature. 4th ed. UK: OUP, 2004.

Dyfyniad MLA

Stevenson ,Leslie. Theories Of Human Nature. 4th ed. OUP, 2004.

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