Schram, W. L. 1. (1971). The process and effects of mass communication (Rev. ed.).
Dyfyniad Arddull ChicagoSchram, Wilbur Lang 1907. The Process and Effects of Mass Communication. Rev. ed. Urbana, University of Illinois Press, 1971.
Dyfyniad MLASchram, Wilbur Lang 1907. The Process and Effects of Mass Communication. Rev. ed. 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.