Rawls, J. (1971). A theory of justice. Cambridge: The Belknap Press.
Trích dẫn kiểu ChicagoRawls, John. A Theory of Justice. Cambridge: The Belknap Press, 1971.
MLA引文Rawls, John. A Theory of Justice. Cambridge: The Belknap Press, 1971.
警告：這些引文格式不一定是100％准確.