Ries, A., & Trout, J. (2001). Positioning: The battle for your mind. McGraw-Hill Companies, Inc.
Chicago Style (17th ed.) CitationRies, Al, and Jack Trout. Positioning: The Battle for Your Mind. New York, London: McGraw-Hill Companies, Inc, 2001.
ציטוט MLARies, Al, and Jack Trout. Positioning: The Battle for Your Mind. McGraw-Hill Companies, Inc, 2001.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.