RIES AL. (2003). POSITIONING: THE BATTLE FOR YOUR MIND (20TH.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago-referens (17:e uppl.)RIES AL. POSITIONING: THE BATTLE FOR YOUR MIND. 20TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2003.
MLA-referens (9:e uppl.)RIES AL. POSITIONING: THE BATTLE FOR YOUR MIND. 20TH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.