Shankar, R. (2002). Services Marketing the Indian Perspective (7th ed.). McGraw-Hill.
Chicago-čujuhus (17. p.)Shankar, Ravi. Services Marketing the Indian Perspective. 7th ed. New Delhi: McGraw-Hill, 2002.
MLA-čujuhus (9. p.)Shankar, Ravi. Services Marketing the Indian Perspective. 7th ed. McGraw-Hill, 2002.
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