Murthy , D. (2001). Consumer and Quality. New Age International.
Cita Chicago (17th ed.)Murthy , D.B.N. Consumer and Quality. Delhi: New Age International, 2001.
Cita MLA (9th ed.)Murthy , D.B.N. Consumer and Quality. New Age International, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.