Wilner, J. D. (1998). Seven secrets to successful sales management: The sales manager's manual. St. Lucie press.
استشهاد بنمط شيكاغوWilner, Jack D. Seven Secrets to Successful Sales Management: The Sales Manager's Manual. Washington: St. Lucie press, 1998.
MLA استشهادWilner, Jack D. Seven Secrets to Successful Sales Management: The Sales Manager's Manual. St. Lucie press, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.