Dyfyniad APA

FLETCHER J H. INSIDE INFORMATION: MAKING SENSE OF MARKETING DATA. JOHN WILEY AND SONS.

Dyfyniad Arddull Chicago

FLETCHER J H. INSIDE INFORMATION: MAKING SENSE OF MARKETING DATA. USA: JOHN WILEY AND SONS.

Dyfyniad MLA

FLETCHER J H. INSIDE INFORMATION: MAKING SENSE OF MARKETING DATA. JOHN WILEY AND SONS.

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