APA (7e ed.) Bronvermelding

SMITH BENSON. (2003). DISCOVER YOUR SALES STRENGTHS: HOW THE WORLD`S GREATEST SALESPEOPLE DEVELOP WINNING CAREERS. WARNER BOOK.

Chicago (17e ed.) Bronvermelding

SMITH BENSON. DISCOVER YOUR SALES STRENGTHS: HOW THE WORLD`S GREATEST SALESPEOPLE DEVELOP WINNING CAREERS. NEW YORK: WARNER BOOK, 2003.

MLA (9e ed.) Bronvermelding

SMITH BENSON. DISCOVER YOUR SALES STRENGTHS: HOW THE WORLD`S GREATEST SALESPEOPLE DEVELOP WINNING CAREERS. WARNER BOOK, 2003.