APA (7e ed.) Bronvermelding

RIES AL. (2003). POSITIONING: THE BATTLE FOR YOUR MIND (20TH.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Chicago (17e ed.) Bronvermelding

RIES AL. POSITIONING: THE BATTLE FOR YOUR MIND. 20TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2003.

MLA (9e ed.) Bronvermelding

RIES AL. POSITIONING: THE BATTLE FOR YOUR MIND. 20TH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2003.

Let op: Deze citaties zijn niet altijd 100% accuraat.