Sengupta, S. (1994). Brand Positioning: Strategies for competitive advantage. Tata McGraw Hill pub.co.ltd.
Chicago-viite (17. p.)Sengupta, Subroto. Brand Positioning: Strategies for Competitive Advantage. New delhi: Tata McGraw Hill pub.co.ltd, 1994.
MLA-viite (9. p.)Sengupta, Subroto. Brand Positioning: Strategies for Competitive Advantage. Tata McGraw Hill pub.co.ltd, 1994.
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