APA (7th ed.) Zitazioa
Hart, H. L. A. (2012). The concept of law (3rd ed.). Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Hart, H. L. A. The Concept of Law. 3rd ed. Oxford, United Kingdom: Oxford University Press, 2012.
MLA (9th ed.) Zitazioa
Hart, H. L. A. The Concept of Law. 3rd ed. Oxford University Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.