Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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