Allen, K. R. (2010). New Venture CreationAn Entrepreneurial Approach. South Western.
Lua i Stíl Chicago (17ú heag.)Allen, Kathleen R. New Venture CreationAn Entrepreneurial Approach. South Western, 2010.
Lua MLA (8ú heag.)Allen, Kathleen R. New Venture CreationAn Entrepreneurial Approach. South Western, 2010.
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