Miller, W. (2009). More proactive sales management: Avoid the mistakes even great sales managers make--and get extraordinary results. American Management Association.
Lua i Stíl Chicago (17ú heag.)Miller, William. More Proactive Sales Management: Avoid the Mistakes Even Great Sales Managers Make--and Get Extraordinary Results. New York: American Management Association, 2009.
Lua MLA (9ú heag.)Miller, William. More Proactive Sales Management: Avoid the Mistakes Even Great Sales Managers Make--and Get Extraordinary Results. American Management Association, 2009.
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