Strentz, H. (1978). News reporters and news sources: What happens before the story is written. (ed.). Ames.
Chicago-referens (17:e uppl.)Strentz, Herbert. News Reporters and News Sources: What Happens Before the Story Is Written. ed. Iowa state universty press: Ames, 1978.
MLA-referens (9:e uppl.)Strentz, Herbert. News Reporters and News Sources: What Happens Before the Story Is Written. ed. Ames, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.