Dyfyniad APA

Gummesson, E. (1999). Total relationship marketing. Butterworth Heinemann.

Dyfyniad Arddull Chicago

Gummesson, Evert. Total Relationship Marketing. Oxford: Butterworth Heinemann, 1999.

Dyfyniad MLA

Gummesson, Evert. Total Relationship Marketing. Butterworth Heinemann, 1999.

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