Jefkins, F. (1993). Planned press and public relations (Third ed.). London: Blackie Academic & Professional.
استشهاد بنمط شيكاغوJefkins, Frank. Planned Press and Public Relations. Third ed. London: Blackie Academic & Professional, 1993.
MLA استشهادJefkins, Frank. Planned Press and Public Relations. Third ed. London: Blackie Academic & Professional, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.