Robinette, S., Brand, C., & Lenz, V. (2001). Emotion marketing: The Hallmark way of winning customers for life. New York: McGraw-Hill.
शिकागो स्टाइल उद्धरणRobinette, Scott., Claire Brand, और Vicki Lenz. Emotion Marketing: The Hallmark Way of Winning Customers for Life. New York: McGraw-Hill, 2001.
एमएलए उद्धरणRobinette, Scott., Claire Brand, और Vicki Lenz. Emotion Marketing: The Hallmark Way of Winning Customers for Life. New York: McGraw-Hill, 2001.
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