Charlesm and Futrelll. (2003). Sales management: Teamwork, Leadership, and Technology (6th.). Thomson.
Chicago-tyylinen lähdeviittausCharlesm and Futrelll. Sales Management: Teamwork, Leadership, and Technology. 6th. Australia: Thomson, 2003.
MLA-viiteCharlesm and Futrelll. Sales Management: Teamwork, Leadership, and Technology. 6th. Thomson, 2003.
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