Gass, R. H. (2014). Persuasion social influence and compliance gaining 5th ed. Pearson.
Lua i Stíl Chicago (17ú heag.)Gass, Robert H. Persuasion Social Influence and Compliance Gaining 5th Ed. Pearson, 2014.
Lua MLA (8ú heag.)Gass, Robert H. Persuasion Social Influence and Compliance Gaining 5th Ed. Pearson, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.