APA aipamena

Hansen, A. H. (1946). America's role in the world economy. New York: Penguin Books.

Chicago Style aipamena

Hansen, Alvin Harvey. America's Role in the World Economy. New York: Penguin Books, 1946.

MLA aipamena

Hansen, Alvin Harvey. America's Role in the World Economy. New York: Penguin Books, 1946.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.