APA (7th ed.) Zitazioa

Richardson. (1993). Business ethics 93/94 (5th ed.). Dushkin.

Chicago Style (17th ed.) Zitazioa

Richardson. Business Ethics 93/94. 5th ed. Connecticut: Dushkin, 1993.

MLA (9th ed.) Zitazioa

Richardson. Business Ethics 93/94. 5th ed. Dushkin, 1993.