Gupta C B. (2011). Marketing Management. Sultan Chand and Company.
Cita Chicago (17th ed.)Gupta C B. Marketing Management. New Delhi: Sultan Chand and Company, 2011.
Cita MLA (9th ed.)Gupta C B. Marketing Management. Sultan Chand and Company, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.