Gray, J. C. (1963). The nature and sources of the law (2nd ed.). Beacon Press.
Chicago Stili AlıntıGray, John Chipman. The Nature and Sources of the Law. 2nd ed. Boston: Beacon Press, 1963.
MLA AlıntıGray, John Chipman. The Nature and Sources of the Law. 2nd ed. Beacon Press, 1963.
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