Welch, J., & Welch, S. (2005). Winning. HarperBusiness, HarperCollins Publishers.
Čikaški stil citiranja (17. izdanje)Welch, Jack, i Suzy Welch. Winning. New York : London: HarperBusiness, HarperCollins Publishers, 2005.
MLA način citiranja (8. izdanje)Welch, Jack, i Suzy Welch. Winning. HarperBusiness, HarperCollins Publishers, 2005.
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