Cherunilam, F. (1990). Business environment (2nd ed.). Himalaya publishing house.
Chicago Style aipamenaCherunilam, Francis. Business Environment. 2nd ed. Bombay: Himalaya publishing house, 1990.
MLA aipamenaCherunilam, Francis. Business Environment. 2nd ed. Himalaya publishing house, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.