APA Citation

Roy, P. N. (1977). (The) pure theory of international trade. Calcutta(Kolkata): Progressive Publishers.

Chicago Style Citation

Roy, Prabuddha Nath. (The) Pure Theory of International Trade. Calcutta(Kolkata): Progressive Publishers, 1977.

MLA Citation

Roy, Prabuddha Nath. (The) Pure Theory of International Trade. Calcutta(Kolkata): Progressive Publishers, 1977.

Warning: These citations may not always be 100% accurate.