BARSKI, P. Telemarketing – perswazja a manipulacja. "Res Rhetorica", [S. l.], v. 5, n. 1, 2018. DOI: 10.29107/rr2018.1.5. Disponível em: https://resrhetorica.com/index.php/RR/article/view/260. Acesso em: 17 paź. 2021.