Lua APA (7ú heag.)

RIES AL. (1986). POSITIONING: THE BATTLE FOR YOUR MINDS. MCGRAW-HILL.

Lua i Stíl Chicago (17ú heag.)

RIES AL. POSITIONING: THE BATTLE FOR YOUR MINDS. NEW YORK: MCGRAW-HILL, 1986.

Lua MLA (9ú heag.)

RIES AL. POSITIONING: THE BATTLE FOR YOUR MINDS. MCGRAW-HILL, 1986.

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