CHURCHILL, G. A. (2004). Basic marketing research. South-Western.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCHURCHILL, Gilbert A. Basic Marketing Research. South-Western, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCHURCHILL, Gilbert A. Basic Marketing Research. South-Western, 2004.
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