APA aipamena

Kelsen, H. (1967). Pure theory of law. University of California Press.

Chicago Style aipamena

Kelsen, Hans. Pure Theory of Law. Berkeley: University of California Press, 1967.

MLA aipamena

Kelsen, Hans. Pure Theory of Law. University of California Press, 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.