Havaldar, K. K. (2010). Business Marketing (7th.). Pearson Education.
Cita Chicago (17th ed.)Havaldar, Krishna K. Business Marketing. 7th. New Delhi: Pearson Education, 2010.
Cita MLA (9th ed.)Havaldar, Krishna K. Business Marketing. 7th. Pearson Education, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.