Miller, W. (2009). More proactive sales management: Avoid the mistakes even great sales managers make--and get extraordinary results. American Management Association.

Miller, William. More Proactive Sales Management: Avoid the Mistakes Even Great Sales Managers Make--and Get Extraordinary Results. New York: American Management Association, 2009.

Miller, William. More Proactive Sales Management: Avoid the Mistakes Even Great Sales Managers Make--and Get Extraordinary Results. American Management Association, 2009.