Dyfyniad APA

Sen, A. (1999). Development as freedom. Oxford University Press.

Dyfyniad Arddull Chicago

Sen, Amartya. Development as Freedom. Oxford: 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.