Sengupta, S. Brand Positioning: Strategies for Competitive Advantage (2nd.). McGraw Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSengupta, Subroto. Brand Positioning: Strategies for Competitive Advantage. 2nd. McGraw Hill.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSengupta, Subroto. Brand Positioning: Strategies for Competitive Advantage. 2nd. McGraw Hill.
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