Norman, S., W, Z., T.(2002).Pengantar kewirausahaan dan manajemen bisnis kecil = essentials of entrepreneurship and small business management (Jaka2).Geneva:Prenhallindo.
Gaya MLA
Norman, S., W, Z., T..Pengantar kewirausahaan dan manajemen bisnis kecil = essentials of entrepreneurship and small business management.Jaka2Geneva:Prenhallindo,2002.Umum.