Gaya APA

Barringer, B, R., Ireland, R, D. (2010). Entrepreneurship Successfully Launching New Ventures 3 Edition (3). USA: Pearson Education.

Gaya MLA

Barringer, Bruce, R.., Ireland, R., Duane. "Entrepreneurship Successfully Launching New Ventures 3 Edition". 3 USA: Pearson Education, 2010. Textbook.