Staub, E. (2003). The psychology of good and evil: Why children, adults, and groups help and harm others. Cambridge, U.K: Cambridge University Press.
Dyfyniad Arddull ChicagoStaub, Ervin. The Psychology of Good and Evil: Why Children, Adults, and Groups Help and Harm Others. Cambridge, U.K: Cambridge University Press, 2003.
Dyfyniad MLAStaub, Ervin. The Psychology of Good and Evil: Why Children, Adults, and Groups Help and Harm Others. Cambridge, U.K: Cambridge University Press, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.