Yang, K. (2008). Voice of the customer: Capture and analysis. New York: McGraw-Hill.
Čikaški stil citiranjaYang, Kai. Voice of the Customer: Capture and Analysis. New York: McGraw-Hill, 2008.
MLA način citiranjaYang, Kai. Voice of the Customer: Capture and Analysis. New York: McGraw-Hill, 2008.
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