Iyengar, S. (1991). Is anyone responsiblen: How television frames political issues. University of Chicago Press.
Dyfyniad Arddull ChicagoIyengar, Shanto. Is Anyone Responsiblen: How Television Frames Political Issues. Chicago: University of Chicago Press, 1991.
Dyfyniad MLAIyengar, Shanto. Is Anyone Responsiblen: How Television Frames Political Issues. University of Chicago Press, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.