Freund, P. A. (1954). Constitutional law: Cases and other problems. Little, Brown.
Citazione stile Chigago Style (17a edizione)Freund, Paul Abraham. Constitutional Law: Cases and Other Problems. Boston: Little, Brown, 1954.
Citatione MLA (9a ed.)Freund, Paul Abraham. Constitutional Law: Cases and Other Problems. Little, Brown, 1954.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.