Dyfyniad APA

Davison, W. (1982). Mass media systems and effects (2nd.). Holt Rinehurt & Winch.

Dyfyniad Arddull Chicago

Davison, W. Mass Media Systems and Effects. 2nd. New York: Holt Rinehurt & Winch, 1982.

Dyfyniad MLA

Davison, W. Mass Media Systems and Effects. 2nd. Holt Rinehurt & Winch, 1982.

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