Richardson John E. (2007). Annual Editions: Business Ethics 07/08. American: ADBS.
Chicago Style aipamenaRichardson John E. Annual Editions: Business Ethics 07/08. American: ADBS, 2007.
MLA aipamenaRichardson John E. Annual Editions: Business Ethics 07/08. American: ADBS, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.