Timmons, J. A., & Olin, F. W. (1999). New venture creation: Entrepreneurship for the 21st century (5th ed.). Boston: Irwin/McGraw-Hill.
Παραπομπή Chicago StyleTimmons, Jeffry A., and Franklin W. Olin. New Venture Creation: Entrepreneurship for the 21st Century. 5th ed. Boston: Irwin/McGraw-Hill, 1999.
Παραπομπή MLATimmons, Jeffry A., and Franklin W. Olin. New Venture Creation: Entrepreneurship for the 21st Century. 5th ed. Boston: Irwin/McGraw-Hill, 1999.
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