Boyd, M. (1957). Crisis in communication: A Christian examination of the mass media. Doubleday.
Cita Chicago (17th ed.)Boyd, Malcolm. Crisis in Communication: A Christian Examination of the Mass Media. Garden City, N.Y: Doubleday, 1957.
Cita MLA (9th ed.)Boyd, Malcolm. Crisis in Communication: A Christian Examination of the Mass Media. Doubleday, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.