Cherunilam, F. (2009). Business environment (19th ed.). Himalaya.
Chicago Style aipamenaCherunilam, Francis. Business Environment. 19th ed. Mumabi: Himalaya, 2009.
MLA aipamenaCherunilam, Francis. Business Environment. 19th ed. Himalaya, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.