APA (7th ed.) Zitazioa

Advertising Forecast. Ascential Events (Europe) Limited.

Chicago Style (17th ed.) Zitazioa

Advertising Forecast. Ascential Events (Europe) Limited.

MLA (9th ed.) Zitazioa

Advertising Forecast. Ascential Events (Europe) Limited.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.