Reck, R. R. (2001). The X-factor: Getting extraordinary results from ordinary people. New York: Wiley.
शिकागो स्टाइल उद्धरणReck, Ross Richard. The X-factor: Getting Extraordinary Results From Ordinary People. New York: Wiley, 2001.
एमएलए उद्धरणReck, Ross Richard. The X-factor: Getting Extraordinary Results From Ordinary People. New York: Wiley, 2001.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.