Citazione Stile APA (7a Edizione)

Timmons, J. A., & Spinelli, S. (2004). New venture creation: Entrepreneurship for the 21st century (6th ed.). McGraw-Hill/Irwin.

Citazione stile Chigago Style (17a edizione)

Timmons, Jeffry A., e Stephen Spinelli. New Venture Creation: Entrepreneurship for the 21st Century. 6th ed. New York, N.Y: McGraw-Hill/Irwin, 2004.

Citatione MLA (9a ed.)

Timmons, Jeffry A., e Stephen Spinelli. New Venture Creation: Entrepreneurship for the 21st Century. 6th ed. McGraw-Hill/Irwin, 2004.