Wadhwa, R. (1998). Marketing and sales management. Kanishka.
Cita Chicago (17th ed.)Wadhwa, Raj. Marketing and Sales Management. New Delhi: Kanishka, 1998.
Cita MLA (9th ed.)Wadhwa, Raj. Marketing and Sales Management. Kanishka, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.