Ries, A., & Trout, J. (2001). Positioning: The battle for your mind ; [how to be seen and heard in the overcrowded marketplace ; the marketing classic ; with a new foreword]. McGraw-Hill.
Chicago-Zitierstil (17. Ausg.)Ries, Al, und Jack Trout. Positioning: The Battle for Your Mind ; [how to Be Seen and Heard in the Overcrowded Marketplace ; the Marketing Classic ; with a New Foreword]. New York u.a: McGraw-Hill, 2001.
MLA-Zitierstil (9. Ausg.)Ries, Al, und Jack Trout. Positioning: The Battle for Your Mind ; [how to Be Seen and Heard in the Overcrowded Marketplace ; the Marketing Classic ; with a New Foreword]. McGraw-Hill, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.