Ajagaonkar, P. (2014). Service sector (3rd ed.). Sheth publishers pvt. ltd.
Chicago-čujuhus (17. p.)Ajagaonkar, P. Service Sector. 3rd ed. Mumbai: Sheth publishers pvt. ltd, 2014.
MLA-čujuhus (9. p.)Ajagaonkar, P. Service Sector. 3rd ed. Sheth publishers pvt. ltd, 2014.
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