Yang, K. (2008). Voice of the Customer: Capture and Analysis. McGraw Hill Companies Inc.
Čikaški stil citiranjaYang, Kai. Voice of the Customer: Capture and Analysis. McGraw Hill Companies Inc, 2008.
MLA način citiranjaYang, Kai. Voice of the Customer: Capture and Analysis. McGraw Hill Companies Inc, 2008.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.