APA citiranje

Robertson, D. (1972). Internation trade policy. London: Mamillan.

Trích dẫn kiểu Chicago

Robertson, David. Internation Trade Policy. London: Mamillan, 1972.

MLA citiranje

Robertson, David. Internation Trade Policy. London: Mamillan, 1972.

Opozorilo: Ti citati niso vedno 100% točni.