APA استشهاد

Das, K. K. (1970). Foreign Trade and Foreign Exchange; a Synopsis. Progressive Publishers.

استشهاد بنمط شيكاغو

Das, K K. Foreign Trade and Foreign Exchange; a Synopsis. Calcutta: Progressive Publishers, 1970.

MLA استشهاد

Das, K K. Foreign Trade and Foreign Exchange; a Synopsis. Progressive Publishers, 1970.