J.N.Jain & P.P.Singh. (2007). Modern marketing of services: Principles and techniques. Regal.
Čikaški stil citiranjaJ.N.Jain i P.P.Singh. Modern Marketing of Services: Principles and Techniques. New Delhi: Regal, 2007.
MLA način citiranjaJ.N.Jain i P.P.Singh. Modern Marketing of Services: Principles and Techniques. Regal, 2007.
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