APA استشهاد

Gardner, T. J. (1989). Criminal law: Principles and cases (4th ed.). West Publishing.

استشهاد بنمط شيكاغو

Gardner, Thomas J. Criminal Law: Principles and Cases. 4th ed. New York: West Publishing, 1989.

MLA استشهاد

Gardner, Thomas J. Criminal Law: Principles and Cases. 4th ed. West Publishing, 1989.