APA-čujuhus (7. p.)

GUPTA P K. (2007). SERVICES MARKETING (6TH.). EVEREST PUBLISHING HOUSE.

Chicago-čujuhus (17. p.)

GUPTA P K. SERVICES MARKETING. 6TH. PUNE: EVEREST PUBLISHING HOUSE, 2007.

MLA-čujuhus (9. p.)

GUPTA P K. SERVICES MARKETING. 6TH. EVEREST PUBLISHING HOUSE, 2007.

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