Kupperman, J. (2007). Ethics and qualities of life. Oxford University Press.
Chicagoスタイル(17版)引用形式Kupperman, Joel. Ethics and Qualities of Life. New York: Oxford University Press, 2007.
MLA(8版)引用形式Kupperman, Joel. Ethics and Qualities of Life. Oxford University Press, 2007.
警告: この引用は必ずしも正確ではありません.