APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.