Reck, R. R. (2001). The X-factor: Getting extraordinary results from ordinary people. New York: Wiley.
Chicago Stili AlıntıReck, Ross Richard. The X-factor: Getting Extraordinary Results From Ordinary People. New York: Wiley, 2001.
MLA AlıntıReck, Ross Richard. The X-factor: Getting Extraordinary Results From Ordinary People. New York: Wiley, 2001.
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