Cita APA (7th ed.)

Timmons, J. A., & Spinelli, S. (2009). New venture creation: Entrepreneurship for the 21st century (8th ed.). McGraw-Hill/Irwin.

Cita Chicago (17th ed.)

Timmons, Jeffry A., i Stephen Spinelli. New Venture Creation: Entrepreneurship for the 21st Century. 8th ed. Boston: McGraw-Hill/Irwin, 2009.

Cita MLA (9th ed.)

Timmons, Jeffry A., i Stephen Spinelli. New Venture Creation: Entrepreneurship for the 21st Century. 8th ed. McGraw-Hill/Irwin, 2009.