Cherunilam, F. (2000). Business environment (11th ed.). Himalaya.
Chicago Style aipamenaCherunilam, Francis. Business Environment. 11th ed. New Delhi: Himalaya, 2000.
MLA aipamenaCherunilam, Francis. Business Environment. 11th ed. Himalaya, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.