APA aipamena

Robert, H. D. M. (2010). Entrepreneurship (2nd ed.). SAGE.

Chicago Style aipamena

Robert, Hisrich D; Michael. Entrepreneurship. 2nd ed. New Delhi: SAGE, 2010.

MLA aipamena

Robert, Hisrich D; Michael. Entrepreneurship. 2nd ed. SAGE, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.