Mackintosh, C. H. (1923). Creative selling, making and keeping customers. D. Appleton.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMackintosh, Charles Henry. Creative Selling, Making and Keeping Customers. New York: D. Appleton, 1923.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMackintosh, Charles Henry. Creative Selling, Making and Keeping Customers. D. Appleton, 1923.
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