Harvard business School. (2007). Harvard business review on the tests of a leader /cedited by Harvard business School. Harvard Business School Pub..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Harvard business School. Harvard Business Review on the Tests of a Leader /cedited by Harvard Business School. Boston, Mass: Harvard Business School Pub., 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Harvard business School. Harvard Business Review on the Tests of a Leader /cedited by Harvard Business School. Harvard Business School Pub., 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.