Barbour, W. (1994). Mass media: Opposing viewpoints. Greenhaven Press.
Cita Chicago (17th ed.)Barbour, William. Mass Media: Opposing Viewpoints. San Diego, CA: Greenhaven Press, 1994.
Cita MLA (9th ed.)Barbour, William. Mass Media: Opposing Viewpoints. Greenhaven Press, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.