Futrell, C. (2001). Sales management: Teamwork, leadership, and technology (6th ed.). Harcourt College Publishers.
Lua i Stíl Chicago (17ú heag.)Futrell, Charles. Sales Management: Teamwork, Leadership, and Technology. 6th ed. Fort Worth, TX: Harcourt College Publishers, 2001.
Lua MLA (8ú heag.)Futrell, Charles. Sales Management: Teamwork, Leadership, and Technology. 6th ed. Harcourt College Publishers, 2001.
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