d' Entreves, A. P. (1970). Natural law: An introduction to legal philosophy (2nd rev. ed.). Hutchinson University Library.
Dyfyniad Arddull Chicagod' Entreves, A. P. Natural Law: An Introduction to Legal Philosophy. 2nd rev. ed. London: Hutchinson University Library, 1970.
Dyfyniad MLAd' Entreves, A. P. Natural Law: An Introduction to Legal Philosophy. 2nd rev. ed. Hutchinson University Library, 1970.
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