Lua APA (7ú heag.)

Sengupta, S. (2005). Brand positioning: Strategies for competitive advantage (2nd.). Tata McGraw Hill.

Lua i Stíl Chicago (17ú heag.)

Sengupta, Subroto. Brand Positioning: Strategies for Competitive Advantage. 2nd. New Delhi: Tata McGraw Hill, 2005.

Lua MLA (9ú heag.)

Sengupta, Subroto. Brand Positioning: Strategies for Competitive Advantage. 2nd. Tata McGraw Hill, 2005.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.