APA (7th ed.) Zitazioa

Cardownie. (1986). News agency journalism. Friedrich-Ebert-Stiftung.

Chicago Style (17th ed.) Zitazioa

Cardownie. News Agency Journalism. Godesberger allee: Friedrich-Ebert-Stiftung, 1986.

MLA (9th ed.) Zitazioa

Cardownie. News Agency Journalism. Friedrich-Ebert-Stiftung, 1986.