Hart, H. L. A. 1. (1994). The concept of law (2nd ed.). Oxford : New York: Clarendon Press ; Oxford University Press.
Trích dẫn kiểu ChicagoHart, H. L. A. 1907-. The Concept of Law. 2nd ed. Oxford : New York: Clarendon Press ; Oxford University Press, 1994.
Deismireacht MLAHart, H. L. A. 1907-. The Concept of Law. 2nd ed. Oxford : New York: Clarendon Press ; Oxford University Press, 1994.
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