APA aipamena

(1991). Contemporary International Law: A Concise Introduction / Werner Levi. Westview Press.

Chicago Style aipamena

Contemporary International Law: A Concise Introduction / Werner Levi. Westview Press, 1991.

MLA aipamena

Contemporary International Law: A Concise Introduction / Werner Levi. Westview Press, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.