APA (7th ed.) Zitazioa
(1995). Frontiers of Entrepreneurship. Centre for Entrepreneurial Studies.
Chicago Style (17th ed.) Zitazioa
Frontiers of Entrepreneurship. Mass.: Centre for Entrepreneurial Studies, 1995.
MLA (9th ed.) Zitazioa
Frontiers of Entrepreneurship. Centre for Entrepreneurial Studies, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.