APA (7th ed.) Zitazioa

Chief Marketer (Penton Media, Inc.). Endeavor Business Media.

Chicago Style (17th ed.) Zitazioa

Chief Marketer (Penton Media, Inc.). Endeavor Business Media.

MLA (9th ed.) Zitazioa

Chief Marketer (Penton Media, Inc.). Endeavor Business Media.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.