George, R. P. (1992). Natural law theory: Contemporary essays. Clarendon Press.
Chicagoスタイル(17版)引用形式George, Robert P. Natural Law Theory: Contemporary Essays. Oxford [England]: Clarendon Press, 1992.
MLA(9版)引用形式George, Robert P. Natural Law Theory: Contemporary Essays. Clarendon Press, 1992.
警告: この引用は必ずしも正確ではありません.