Lua APA (7ú heag.)

Ries Al & Trout, J. (2001). Positioning: The battle for your mind (20th anniversary edition.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Ries Al agus Jack Trout. Positioning: The Battle for Your Mind. 20th anniversary edition. New York: McGraw-Hill, 2001.

Lua MLA (9ú heag.)

Ries Al agus Jack Trout. Positioning: The Battle for Your Mind. 20th anniversary edition. McGraw-Hill, 2001.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.