Ries, A., & Trout, J. (2001). Positioning: The battle for your mind (20th anniversary ed.). McGraw-Hill.
Chicago Edition CitationRies, Al, and Jack Trout. Positioning: The Battle for Your Mind. 20th anniversary ed. Chennai: McGraw-Hill, 2001.
MLA Edition CitationRies, Al, and Jack Trout. Positioning: The Battle for Your Mind. 20th anniversary ed. McGraw-Hill, 2001.
Warning: These citations may not always be 100% accurate.