Churchill, G. A. (1999). Marketing research: Methodological foundations. Orlando, Florida: Dryden Press.
Trích dẫn kiểu ChicagoChurchill, Gilbert A. Marketing Research: Methodological Foundations. Orlando, Florida: Dryden Press, 1999.
MLA citiranjeChurchill, Gilbert A. Marketing Research: Methodological Foundations. Orlando, Florida: Dryden Press, 1999.
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