Reck, R. R. (2001). The X-factor: Getting extraordinary results from ordinary people. New York: Wiley.
استشهاد بنمط شيكاغوReck, Ross Richard. The X-factor: Getting Extraordinary Results From Ordinary People. New York: Wiley, 2001.
MLA استشهادReck, Ross Richard. The X-factor: Getting Extraordinary Results From Ordinary People. New York: Wiley, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.