APA (7th ed.) Zitazioa

NetGuide: The guide to online services and the internet.

Chicago Style (17th ed.) Zitazioa

NetGuide: The Guide to Online Services and the Internet.

MLA (9th ed.) Zitazioa

NetGuide: The Guide to Online Services and the Internet.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.