APA (7th ed.) Zitazioa
Ries, A., & Trout, J. (2001). Positioning: The battle for your mind (20th anniversary ed.). McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Ries, Al, eta Jack Trout. Positioning: The Battle for Your Mind. 20th anniversary ed. New York: McGraw-Hill, 2001.
MLA (9th ed.) Zitazioa
Ries, Al, eta Jack Trout. Positioning: The Battle for Your Mind. 20th anniversary ed. McGraw-Hill, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.