Thill, J. V. (1996). Business communication today. Response Books.
Chicago Style (17th ed.) ZitazioaThill, John V. Business Communication Today. New Delhi: Response Books, 1996.
MLA (9th ed.) ZitazioaThill, John V. Business Communication Today. Response Books, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.