Kenyataan Hukum (Legal Realism)

[2] Gustav Radbruch, "Five Minutes of Legal Philosophy (1945)," Oxford Journal of Legal Studies, Vol. 26, No. 1 (2006), hlm. 13.

[3] H. L. A. Hart, "The Separation of Law and Morals," 71 Harvard L. Rev. 593, (1958), hlm. 617--618.

[4] Brian Z. Tamanaha, A Realistic Theory of Law, (Cambridge: Cambridge, 2017), hlm. 118.