APA-viite

Posner, E. A. (2007). Social norms, nonlegal sanctions, and the law. Edward Elgar.

Chicago-tyylinen lähdeviittaus

Posner, Eric A. Social Norms, Nonlegal Sanctions, and the Law. Cheltenham, UK: Edward Elgar, 2007.

MLA-viite

Posner, Eric A. Social Norms, Nonlegal Sanctions, and the Law. Edward Elgar, 2007.