Gaya APA

Timmons, J, A., Spinelli, S. (2008). New venture creation entrepreneurship for the 21st century (Ed. 6). Yogyakarta: Penerbit Andi.

Gaya MLA

Timmons, Jeffry, A.., Spinelli, Stephen.. "New venture creation entrepreneurship for the 21st century". Ed. 6 Yogyakarta: Penerbit Andi, 2008. Printed Book.