APA (7. basım) Alıntı

Hansen, H. (1981). The developing countries and international shipping. IBRD.

Chicago Style (17. basım) Atıf

Hansen, Harald. The Developing Countries and International Shipping. Washington, D. C.: IBRD, 1981.

MLA (9th ed.) Atıf

Hansen, Harald. The Developing Countries and International Shipping. IBRD, 1981.