Sowell, T. (2004). Affirmative action around the world: An empirical study. Yale University Press.
Lua i Stíl Chicago (17ú heag.)Sowell, Thomas. Affirmative Action Around the World: An Empirical Study. New Haven: Yale University Press, 2004.
Lua MLA (8ú heag.)Sowell, Thomas. Affirmative Action Around the World: An Empirical Study. Yale University Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.