APA-referens (7:e uppl.)

Freund, P. A. (1954). Constitutional law: Cases and other problems. Little, Brown.

Chicago-referens (17:e uppl.)

Freund, Paul Abraham. Constitutional Law: Cases and Other Problems. Boston: Little, Brown, 1954.

MLA-referens (9:e uppl.)

Freund, Paul Abraham. Constitutional Law: Cases and Other Problems. Little, Brown, 1954.