APA استشهاد

Tajfel, H. (1978). Differentiation Between Social Groups: Studies in the Social Psychology of Intergroup Relations. Academic Press.

استشهاد بنمط شيكاغو

Tajfel, Henri. Differentiation Between Social Groups: Studies in the Social Psychology of Intergroup Relations. London: Academic Press, 1978.

MLA استشهاد

Tajfel, Henri. Differentiation Between Social Groups: Studies in the Social Psychology of Intergroup Relations. Academic Press, 1978.