BERGER BRIGITTE. (1991). CULTURE OF ENTREPRENEURSHIP. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Lua i Stíl Chicago (17ú heag.)BERGER BRIGITTE. CULTURE OF ENTREPRENEURSHIP. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1991.
Lua MLA (9ú heag.)BERGER BRIGITTE. CULTURE OF ENTREPRENEURSHIP. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1991.
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