MADURA, J. (2001). Business plan introduction to business Jeff Madura. South-Western.
Lua i Stíl Chicago (17ú heag.)MADURA, Jeff. Business Plan Introduction to Business Jeff Madura. South-Western, 2001.
Lua MLA (8ú heag.)MADURA, Jeff. Business Plan Introduction to Business Jeff Madura. South-Western, 2001.
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