Ericksen, G. K. (1997). What's luck got to do with it?: Twelve entrepreneurs reveal the secrets behind their success. Wiley.
Lua i Stíl Chicago (17ú heag.)Ericksen, Gregory K. What's Luck Got to Do with It?: Twelve Entrepreneurs Reveal the Secrets Behind Their Success. New York: Wiley, 1997.
Lua MLA (8ú heag.)Ericksen, Gregory K. What's Luck Got to Do with It?: Twelve Entrepreneurs Reveal the Secrets Behind Their Success. Wiley, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.