SMITH BENSON. (2003). DISCOVER YOUR SALES STRENGTHS: HOW THE WORLD`S GREATEST SALESPEOPLE DEVELOP WINNING CAREERS. WARNER BOOK.
Chicago-viite (17. p.)SMITH BENSON. DISCOVER YOUR SALES STRENGTHS: HOW THE WORLD`S GREATEST SALESPEOPLE DEVELOP WINNING CAREERS. NEW YORK: WARNER BOOK, 2003.
MLA-viite (9. p.)SMITH BENSON. DISCOVER YOUR SALES STRENGTHS: HOW THE WORLD`S GREATEST SALESPEOPLE DEVELOP WINNING CAREERS. WARNER BOOK, 2003.
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