Welch, J., & Welch, S. (2005). Winning (First International Edition.). HarperBusiness.
Čikaški stil citiranja (17. izdanje)Welch, Jack, i Suzy Welch. Winning. First International Edition. New York: HarperBusiness, 2005.
MLA način citiranja (9. izdanje)Welch, Jack, i Suzy Welch. Winning. First International Edition. HarperBusiness, 2005.
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