Miller, W. (2007). Proactive sales management. Prentice-Hall of India Pvt. Ltd.
Cita Chicago (17th ed.)Miller, William. Proactive Sales Management. New Delhi: Prentice-Hall of India Pvt. Ltd, 2007.
Cita MLA (9th ed.)Miller, William. Proactive Sales Management. Prentice-Hall of India Pvt. Ltd, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.