APA aipamena

(1971). Shipping and developing countries. Carnegie Endownment for International Peace.

Chicago Style aipamena

Shipping and Developing Countries. New York: Carnegie Endownment for International Peace, 1971.

MLA aipamena

Shipping and Developing Countries. Carnegie Endownment for International Peace, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.