Sahu, P. K. (2003). Salesmanship and sales management. Vikas.
Chicago Style (17th ed.) ZitazioaSahu, P. K. Salesmanship and Sales Management. New Delhi: Vikas, 2003.
MLA (9th ed.) ZitazioaSahu, P. K. Salesmanship and Sales Management. Vikas, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.