Cherunilam, F. (2009). Business environment. Himalaya Pub. House.
Chicago Style (17th ed.) ZitazioaCherunilam, Francis. Business Environment. Mumbai [India]: Himalaya Pub. House, 2009.
MLA (9th ed.) ZitazioaCherunilam, Francis. Business Environment. Himalaya Pub. House, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.