Zimmerer, Thomas W; Scarborough, Norman M. (2002). Essentials of entrepreneurship and small business management / Thomas W. Zimmerer, Norman M. Scarborough. New Jersey :: Prentice Hall,.
Zimmerer, Thomas W; Scarborough, Norman M. Essentials of entrepreneurship and small business management / Thomas W. Zimmerer, Norman M. Scarborough. New Jersey :: Prentice Hall,, 2002
Zimmerer, Thomas W; Scarborough, Norman M. Essentials of entrepreneurship and small business management / Thomas W. Zimmerer, Norman M. Scarborough. New Jersey :: Prentice Hall,, 2002.