Dyfyniad APA

AAKER DAVID A. (1983). MARKETING RESEARCH (2ND.). JOHN WILEY AND SONS.

Dyfyniad Arddull Chicago

AAKER DAVID A. MARKETING RESEARCH. 2ND. JOHN WILEY AND SONS, 1983.

Dyfyniad MLA

AAKER DAVID A. MARKETING RESEARCH. 2ND. JOHN WILEY AND SONS, 1983.

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