Perloff, R. M. (2008). The dynamics of persuasion: Communication and attitudes in the 21st century (3rd ed.). Lawrence Erlbaum Associates.
Dyfyniad Arddull ChicagoPerloff, Richard M. The Dynamics of Persuasion: Communication and Attitudes in the 21st Century. 3rd ed. New York: Lawrence Erlbaum Associates, 2008.
Dyfyniad MLAPerloff, Richard M. The Dynamics of Persuasion: Communication and Attitudes in the 21st Century. 3rd ed. Lawrence Erlbaum Associates, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.