Sengupta, S. Brand Positioning: Strategies for Competitive Advantage (2nd.). McGraw Hill.
芝加哥风格引文Sengupta, Subroto. Brand Positioning: Strategies for Competitive Advantage. 2nd. McGraw Hill.
MLA引文Sengupta, Subroto. Brand Positioning: Strategies for Competitive Advantage. 2nd. McGraw Hill.
警告：这些引文格式不一定是100％准确.