Dyfyniad APA

Davison, W. P. (1976). Mass media: Systems and effects. Praeger.

Dyfyniad Arddull Chicago

Davison, W. Phillips. Mass Media: Systems and Effects. New York: Praeger, 1976.

Dyfyniad MLA

Davison, W. Phillips. Mass Media: Systems and Effects. Praeger, 1976.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.