APA (7th ed.) Zitazioa

Sen, A. (2000). Development as freedom. U.Pr.

Chicago Style (17th ed.) Zitazioa

Sen, Amartya. Development as Freedom. Oxford: U.Pr, 2000.

MLA (9th ed.) Zitazioa

Sen, Amartya. Development as Freedom. U.Pr, 2000.