Cita APA (7th ed.)

Barringer, B. R., & Ireland, R. D. (2008). Entrepreneurship: Successfully launching new ventures (2nd ed.). Pearson/Prentice Hall.

Cita Chicago (17th ed.)

Barringer, Bruce R., i R. Duane Ireland. Entrepreneurship: Successfully Launching New Ventures. 2nd ed. Upper Saddle River, N.J: Pearson/Prentice Hall, 2008.

Cita MLA (9th ed.)

Barringer, Bruce R., i R. Duane Ireland. Entrepreneurship: Successfully Launching New Ventures. 2nd ed. Pearson/Prentice Hall, 2008.