Dyfyniad APA

Wright, R. (1994). Moral animal: Evolutionary Psychology and everyday life. Vintage.

Dyfyniad Arddull Chicago

Wright, Robert. Moral Animal: Evolutionary Psychology and Everyday Life. New York: Vintage, 1994.

Dyfyniad MLA

Wright, Robert. Moral Animal: Evolutionary Psychology and Everyday Life. Vintage, 1994.

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