Sturdy, A. (2001). Customer service: Empowerment and entrapment. Palgrave.
Čikaški stil citiranjaSturdy, Andrew. Customer Service: Empowerment and Entrapment. New York: Palgrave, 2001.
MLA način citiranjaSturdy, Andrew. Customer Service: Empowerment and Entrapment. Palgrave, 2001.
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