Madsen, P. (1990). Essentials of business ethics. Meridian.
Lua i Stíl Chicago (17ú heag.)Madsen, Peter. Essentials of Business Ethics. New York: Meridian, 1990.
Lua MLA (9ú heag.)Madsen, Peter. Essentials of Business Ethics. Meridian, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.