Ramaswamy , M. (1991). Marketing salesmanship and advertising. Sterling.
Chicago Style aipamenaRamaswamy , M. Marketing Salesmanship and Advertising. New Delhi: Sterling, 1991.
MLA aipamenaRamaswamy , M. Marketing Salesmanship and Advertising. Sterling, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.