Sengupta, S. (2005). Brand positioning: Strategies for competitive advantage (2nd.). Tata McGraw Hill.
Chicago Style aipamenaSengupta, Subroto. Brand Positioning: Strategies for Competitive Advantage. 2nd. New Delhi: Tata McGraw Hill, 2005.
MLA aipamenaSengupta, Subroto. Brand Positioning: Strategies for Competitive Advantage. 2nd. Tata McGraw Hill, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.