West, D. M. (2010). Brain gain: Rethinking U.S. immigration policy. Brookings Institution Press.
Chicago Style aipamenaWest, Darrell M. Brain Gain: Rethinking U.S. Immigration Policy. Washington, D.C: Brookings Institution Press, 2010.
MLA aipamenaWest, Darrell M. Brain Gain: Rethinking U.S. Immigration Policy. Brookings Institution Press, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.