APA (7th ed.) Zitazioa
ebrary, Inc, & Kester, A. Y. (1992). Behind the numbers: U.S. trade in the world economy. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Anne Y. Kester. Behind the Numbers: U.S. Trade in the World Economy. Washington, D.C.: National Academy Press, 1992.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Anne Y. Kester. Behind the Numbers: U.S. Trade in the World Economy. National Academy Press, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.