APA استشهاد

Robbins, L. (1970). The evolution of modern economic theory. Macmillan.

استشهاد بنمط شيكاغو

Robbins, Lord. The Evolution of Modern Economic Theory. New York: Macmillan, 1970.

MLA استشهاد

Robbins, Lord. The Evolution of Modern Economic Theory. Macmillan, 1970.