Aucamp, J. (1971). Effective use of market research. Staples Press.
शिकागो स्टाइल उद्धरणAucamp, Johan. Effective Use of Market Research. London: Staples Press, 1971.
एमएलए उद्धरणAucamp, Johan. Effective Use of Market Research. Staples Press, 1971.
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