Richey, R. (2007). English for customer care. Oxford (New York): Oxford University Press.
Čikaški stil citiranjaRichey, Rosemary. English for Customer Care. Oxford (New York): Oxford University Press, 2007.
MLA način citiranjaRichey, Rosemary. English for Customer Care. Oxford (New York): Oxford University Press, 2007.
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