APA-viite (7. p.)

Hart, H. L. A. (2020). Concept of law (3rd.). Oxford University Press.

Chicago-viite (17. p.)

Hart, H. L. A. Concept of Law. 3rd. UK: Oxford University Press, 2020.

MLA-viite (9. p.)

Hart, H. L. A. Concept of Law. 3rd. Oxford University Press, 2020.