Tohutoro APA (7th ed.)
Datt, R., & K.P.M. Sundharam. (2003). Services marketing (48th ed.). S. Chand.
Tohutoru Kātū Chicago (17th ed.)
Datt, Ruddar, me K.P.M. Sundharam. Services Marketing. 48th ed. New Delhi: S. Chand, 2003.
Tohutoro MLA (9th ed.)
Datt, Ruddar, me K.P.M. Sundharam. Services Marketing. 48th ed. S. Chand, 2003.
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