Sinha, K. (2012). Business communication/4e (4th rev ed.). Taxmann.
Chicago Style aipamenaSinha, K.K. Business Communication/4e. 4th rev ed. New Delhi: Taxmann, 2012.
MLA aipamenaSinha, K.K. Business Communication/4e. 4th rev ed. Taxmann, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.