APA (7th ed.) Zitazioa
Kaul, A. (2007). Effective business communication. Prentice Hall.
Chicago Style (17th ed.) Zitazioa
Kaul, Asha. Effective Business Communication. New Delhi: Prentice Hall, 2007.
MLA (9th ed.) Zitazioa
Kaul, Asha. Effective Business Communication. Prentice Hall, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.