Harrell, K. (2003). The attitude of leadership: Taking the lead and keeping it. Wiley.
استشهاد بنمط شيكاغوHarrell, Keith. The Attitude of Leadership: Taking the Lead and Keeping It. Wiley, 2003.
MLA استشهادHarrell, Keith. The Attitude of Leadership: Taking the Lead and Keeping It. Wiley, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.