APA (7th ed.) Zitazioa

Kumar, S. (2015). Communication Skills (2nd ed.). Oxford.

Chicago Style (17th ed.) Zitazioa

Kumar, Sanjay. Communication Skills. 2nd ed. NewDelhi: Oxford, 2015.

MLA (9th ed.) Zitazioa

Kumar, Sanjay. Communication Skills. 2nd ed. Oxford, 2015.