Ries, A. (2022). Positioning: The battle for your mind (3th.). McGraw Hill, New Delhi.
Cita Chicago (17th ed.)Ries, AL. Positioning: The Battle for Your Mind. 3th. McGraw Hill, New Delhi, 2022.
Cita MLA (9th ed.)Ries, AL. Positioning: The Battle for Your Mind. 3th. McGraw Hill, New Delhi, 2022.
Atenció: Aquestes cites poden no estar 100% correctes.