HISRICH ROBERT D. (2006). ENTREPRENEURSHIP (6TH.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Lua i Stíl Chicago (17ú heag.)HISRICH ROBERT D. ENTREPRENEURSHIP. 6TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2006.
Lua MLA (9ú heag.)HISRICH ROBERT D. ENTREPRENEURSHIP. 6TH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2006.
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