APA Citation

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

Chicago Style Citation

Roy, Prabuddha Nath. The Pure Theory of International TraDe. Calcutta: Progressive, 1977.

MLA Citation

Roy, Prabuddha Nath. The Pure Theory of International TraDe. Calcutta: Progressive, 1977.

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