Sengupta, S. Brand Positioning: Strategies for Competitive Advantage (2nd.). McGraw Hill.
Chicago-čujuhus (17. p.)Sengupta, Subroto. Brand Positioning: Strategies for Competitive Advantage. 2nd. McGraw Hill.
MLA-čujuhus (9. p.)Sengupta, Subroto. Brand Positioning: Strategies for Competitive Advantage. 2nd. McGraw Hill.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.