Παραπομπή σε μορφή APA (7η εκδ.)
Hegel, G. W. F., Knox, T. M., Acton, H. B., & Silber, J. (1975). Natural law: The scientific ways of treating natural law, its place in moral philosophy, and its relation to the positive sciences of law. University of Pennsylvania Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Hegel, Georg Wilhelm Friedrich, T. M. Knox, H. B. Acton, και John Silber. Natural Law: The Scientific Ways of Treating Natural Law, Its Place in Moral Philosophy, and Its Relation to the Positive Sciences of Law. [Philadelphia]: University of Pennsylvania Press, 1975.
Παραπομπή σε μορφή MLA (9th εκδ.)
Hegel, Georg Wilhelm Friedrich, et al. Natural Law: The Scientific Ways of Treating Natural Law, Its Place in Moral Philosophy, and Its Relation to the Positive Sciences of Law. University of Pennsylvania Press, 1975.
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