Timmons, J. A., & Spinelli, S. (2009). New venture creation: Entrepreneurship for the 21st century (8th ed.). Boston: McGraw-Hill/Irwin.
Παραπομπή Chicago StyleTimmons, Jeffry A., και Stephen Spinelli. New Venture Creation: Entrepreneurship for the 21st Century. 8th ed. Boston: McGraw-Hill/Irwin, 2009.
Παραπομπή MLATimmons, Jeffry A., και Stephen Spinelli. New Venture Creation: Entrepreneurship for the 21st Century. 8th ed. Boston: McGraw-Hill/Irwin, 2009.
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