APA aipamena

(2007).  New business ventures and the entrepreneur.  McGraw-Hill/Irwin.

Chicago Style aipamena

 New Business Ventures and the Entrepreneur.  McGraw-Hill/Irwin, 2007.

MLA aipamena

 New Business Ventures and the Entrepreneur.  McGraw-Hill/Irwin, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.