Παραπομπή APA

Bird, O. A. (1967). The idea of justice. Frederick A. Praeger.

Παραπομπή Chicago Style

Bird, Otto A. The Idea of Justice. New York: Frederick A. Praeger, 1967.

Παραπομπή MLA

Bird, Otto A. The Idea of Justice. Frederick A. Praeger, 1967.