Dell, M. (2021). Play nice but win: A CEO's journey from founder to leader. Portfolio.
Lua i Stíl Chicago (17ú heag.)Dell, Michael. Play Nice but Win: A CEO's Journey from Founder to Leader. New York: Portfolio, 2021.
Lua MLA (8ú heag.)Dell, Michael. Play Nice but Win: A CEO's Journey from Founder to Leader. Portfolio, 2021.
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