Cita APA (7th ed.)
Datt, R., & K.P.M. Sundharam. (2003). Services marketing (48th ed.). S. Chand.
Cita Chicago (17th ed.)
Datt, Ruddar, i K.P.M. Sundharam. Services Marketing. 48th ed. New Delhi: S. Chand, 2003.
Cita MLA (9th ed.)
Datt, Ruddar, i K.P.M. Sundharam. Services Marketing. 48th ed. S. Chand, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.