1. Assocated Press. (1995, January 5). Gingrich's mom sets off sparks with "whisper." Tlle Herald-Times, p. A7.
2. Black, J., Steele, B. & Barney, R. (1993). Doinx ethics in jo~rrnalism: A handbook with case st~rdies.Greencastle, IN: The Sigma Delta Chi Foundation and the Society of Professional Journalists.
3. Boeyink, D. (1990). Anonymous sources in news stories: Justifying exceptions and limiting abuses. Jo~rrnal of Mass Media Ethics, 5, 233-246.
4. Boeyink, D. (1992).Casuistry: A casebased method for journalists. Jolrrnal of Mass Medin Elhics, 7, 107-120.