Cherunilam, F. (1992). Business environment (3rd ed.). Himalaya.
Chicago Style aipamenaCherunilam, Francis. Business Environment. 3rd ed. Bombay: Himalaya, 1992.
MLA aipamenaCherunilam, Francis. Business Environment. 3rd ed. Himalaya, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.