APA aipamena

West, D. M., & Cooper, A. F. (2010). Brain gain: Rethinking U.S. immigration policy. Brookings Institution Press.

Chicago Style aipamena

West, Darrell M., và Andrew F. Cooper. Brain Gain: Rethinking U.S. Immigration Policy. Brookings Institution Press, 2010.

MLA aipamena

West, Darrell M., và Andrew F. Cooper. Brain Gain: Rethinking U.S. Immigration Policy. Brookings Institution Press, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.