APA-viite

Sullivan, E., & Frace, R. S. (2009). Propotionality principles in American Law: Controlling exessive Government actions. Oxford.

Chicago-tyylinen lähdeviittaus

Sullivan, E.Thomas, ja Richard S. Frace. Propotionality Principles in American Law: Controlling Exessive Government Actions. New York: Oxford, 2009.

MLA-viite

Sullivan, E.Thomas, ja Richard S. Frace. Propotionality Principles in American Law: Controlling Exessive Government Actions. Oxford, 2009.