Biagi, S. (2017). Media/impact: An introduction to mass media (Twelfth edition.). Cengage Learning.
Cita Chicago (17th ed.)Biagi, Shirley. Media/impact: An Introduction to Mass Media. Twelfth edition. Boston, MA: Cengage Learning, 2017.
Cita MLA (9th ed.)Biagi, Shirley. Media/impact: An Introduction to Mass Media. Twelfth edition. Cengage Learning, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.