APA استشهاد

Jefkins, F. (1974). Marketing and PR media planning. Pergamon.

استشهاد بنمط شيكاغو

Jefkins, Frank. Marketing and PR Media Planning. Oxford: Pergamon, 1974.

MLA استشهاد

Jefkins, Frank. Marketing and PR Media Planning. Pergamon, 1974.