Baran, R. J. (2008). Principles of customer relationship management. Mason, Ohio: Thomson/South-Western.
Trích dẫn kiểu ChicagoBaran, Roger J. Principles of Customer Relationship Management. Mason, Ohio: Thomson/South-Western, 2008.
MLA citiranjeBaran, Roger J. Principles of Customer Relationship Management. Mason, Ohio: Thomson/South-Western, 2008.
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