APA aipamena

Kirby, D. A. (2003). Entrepreneurship. McGraw-Hill Education.

Chicago Style aipamena

Kirby, David A. Entrepreneurship. London: McGraw-Hill Education, 2003.

MLA aipamena

Kirby, David A. Entrepreneurship. McGraw-Hill Education, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.