APA استشهاد

Lange,Oskar. (1976). On the economic theory of socialism. Tata McGraw Hill.

استشهاد بنمط شيكاغو

Lange,Oskar. On the Economic Theory of Socialism. New Delhi: Tata McGraw Hill, 1976.

MLA استشهاد

Lange,Oskar. On the Economic Theory of Socialism. Tata McGraw Hill, 1976.