APA (7th ed.) Zitazioa
ebrary, Inc, & Randall, R. M. (2002). Innovative competitive strategy. Emerald Group Publishing.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Robert M. Randall. Innovative Competitive Strategy. Bradford, England: Emerald Group Publishing, 2002.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Robert M. Randall. Innovative Competitive Strategy. Emerald Group Publishing, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.