Παραπομπή APA

Foster, J. (2003). Effective writing skills for public relations. Crest Publishing House.

Παραπομπή Chicago Style

Foster, John. Effective Writing Skills for Public Relations. New Delhi: Crest Publishing House, 2003.

Παραπομπή MLA

Foster, John. Effective Writing Skills for Public Relations. Crest Publishing House, 2003.