Hiebert, R. E. (1984). Mass media IV: And introduction to modern communication. Longman.
Cita Chicago (17th ed.)Hiebert, Ray Eldon. Mass Media IV: And Introduction to Modern Communication. Longman, 1984.
Cita MLA (9th ed.)Hiebert, Ray Eldon. Mass Media IV: And Introduction to Modern Communication. Longman, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.