APA (7th ed.) Zitazioa

Rural Telecom. National Telecommunications Cooperative Association.

Chicago Style (17th ed.) Zitazioa

Rural Telecom. National Telecommunications Cooperative Association.

MLA (9th ed.) Zitazioa

Rural Telecom. National Telecommunications Cooperative Association.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.