APA (7th ed.) Zitazioa

Richardson, H. S. (1997). Practical Reasoning About Final Ends. Univ. Fr..

Chicago Style (17th ed.) Zitazioa

Richardson, Henry S. Practical Reasoning About Final Ends. Cambridge: Univ. Fr., 1997.

MLA (9th ed.) Zitazioa

Richardson, Henry S. Practical Reasoning About Final Ends. Univ. Fr., 1997.