APA (7. basım) Alıntı

Robertson, D. (1972). Internationa trade policy (1st.). Sultan Chand & Co.

Chicago Style (17. basım) Atıf

Robertson, David. Internationa Trade Policy. 1st. Delhi: Sultan Chand & Co, 1972.

MLA (9th ed.) Atıf

Robertson, David. Internationa Trade Policy. 1st. Sultan Chand & Co, 1972.