APA (7th ed.) Zitazioa

(2001). Communications outlook 2001. OECD Publications Services.

Chicago Style (17th ed.) Zitazioa

Communications Outlook 2001. Paris, France: OECD Publications Services, 2001.

MLA (9th ed.) Zitazioa

Communications Outlook 2001. OECD Publications Services, 2001.