Wadhwa, R. (1998). Marketing and sales management. Kanishka.
Chicago Style aipamenaWadhwa, Raj. Marketing and Sales Management. New Delhi: Kanishka, 1998.
MLA aipamenaWadhwa, Raj. Marketing and Sales Management. Kanishka, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.