Gass, R. H. (2011). Persuasion, social influence and compliance gaining fourth edition. Allyn & Bacon.
Dyfyniad Arddull ChicagoGass, Robert H. Persuasion, Social Influence and Compliance Gaining Fourth Edition. Allyn & Bacon, 2011.
Dyfyniad MLAGass, Robert H. Persuasion, Social Influence and Compliance Gaining Fourth Edition. Allyn & Bacon, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.