APA aipamena

Derrett, J. (1999). Introduction To Legal Systems. Universal Law Publishing.

Chicago Style aipamena

Derrett, J.D.M. Introduction To Legal Systems. Delhi: Universal Law Publishing, 1999.

MLA aipamena

Derrett, J.D.M. Introduction To Legal Systems. Universal Law Publishing, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.