Churchill, G. A. (1992). Basic Marketing Research Gilbert A Churchil. The Dryden Press.
Dyfyniad Arddull ChicagoChurchill, Gilbert A. Basic Marketing Research Gilbert A Churchil. The Dryden Press, 1992.
Dyfyniad MLAChurchill, Gilbert A. Basic Marketing Research Gilbert A Churchil. The Dryden Press, 1992.
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