APA aipamena

Posner,Richard A. (2006). Frontiers of legal theory. universal law publishing company.

Chicago Style aipamena

Posner,Richard A. Frontiers of Legal Theory. New Delhi: universal law publishing company, 2006.

MLA aipamena

Posner,Richard A. Frontiers of Legal Theory. universal law publishing company, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.