Dyfyniad APA
Sen, A. (1999). Development as freedom. Oxford University Press.
Dyfyniad Arddull Chicago
Sen, Amartya. Development as Freedom. Oxford ; New York: Oxford University Press, 1999.
Dyfyniad MLA
Sen, Amartya. Development as Freedom. Oxford University Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.