Peck, H. (1999). Relationship marketing: Strategy and implementation. Oxford: Butterworth-Heinemann.
Trích dẫn kiểu ChicagoPeck, Helen. Relationship Marketing: Strategy and Implementation. Oxford: Butterworth-Heinemann, 1999.
MLA citiranjePeck, Helen. Relationship Marketing: Strategy and Implementation. Oxford: Butterworth-Heinemann, 1999.
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