Cita APA (7th ed.)

Barringer, B. R., & Ireland, R. D. (2011). Entrepreneurship: Successfully launching new ventures (3rd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Barringer, Bruce R., i R. Duane Ireland. Entrepreneurship: Successfully Launching New Ventures. 3rd ed. Upper Saddle River, N.J.: Prentice Hall, 2011.

Cita MLA (8th ed.)

Barringer, Bruce R., i R. Duane Ireland. Entrepreneurship: Successfully Launching New Ventures. 3rd ed. Prentice Hall, 2011.