Sen, A. (2002). Rationality and freedom. Belknap Press of Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Sen, Amartya. Rationality and Freedom. Cambridge: Belknap Press of Harvard University Press, 2002.
Lua MLA (9ú heag.)Sen, Amartya. Rationality and Freedom. Belknap Press of Harvard University Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.