Sen, A. (1999). Development as freedom. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Sen, Amartya. Development as Freedom. Oxford: Oxford University Press, 1999.
Lua MLA (9ú heag.)Sen, Amartya. Development as Freedom. Oxford University Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.