Gaya APA

Barringer, B, R., Ireland, R, D. (2010). Entrepreneurship ; Successfully Launching New Ventures (Third Edition). New Jersey: Prentice-Hall Inc..

Gaya MLA

Barringer, Bruce, R.., Ireland, R., Duane. "Entrepreneurship ; Successfully Launching New Ventures". Third Edition New Jersey: Prentice-Hall Inc., 2010. Textbook.