APA (7th ed.) Zitazioa
Kaul Asha. (1998). Business Communication. Prentice Hall India.
Chicago Style (17th ed.) Zitazioa
Kaul Asha. Business Communication. New Delhi: Prentice Hall India, 1998.
MLA (9th ed.) Zitazioa
Kaul Asha. Business Communication. Prentice Hall India, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.