Tajfel, H. (1978). Differentiation Between Social Groups: Studies in the Social Psychology of Intergroup Relations. Academic Press.
Dyfyniad Arddull ChicagoTajfel, Henri. Differentiation Between Social Groups: Studies in the Social Psychology of Intergroup Relations. London: Academic Press, 1978.
Dyfyniad MLATajfel, Henri. Differentiation Between Social Groups: Studies in the Social Psychology of Intergroup Relations. Academic Press, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.