APA (7th ed.) Zitazioa
Barringer, B. R. (2008). Entrepreneurship: Successfully launching new ventures (2nd ed.). Pearson.
Chicago Style (17th ed.) Zitazioa
Barringer, Bruce R. Entrepreneurship: Successfully Launching New Ventures. 2nd ed. New Jersey: Pearson, 2008.
MLA (9th ed.) Zitazioa
Barringer, Bruce R. Entrepreneurship: Successfully Launching New Ventures. 2nd ed. Pearson, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.