Conversion Sciences. https://conversionsciences.com/how-to-persuade-people/
Diakses pada 24 Desember 2020PNAS. https://www.pnas.org/content/109/21/8038.abstract
Diakses pada 24 Desember 2020PubMed. https://pubmed.ncbi.nlm.nih.gov/16181445/
Diakses pada 24 Desember 2020Verywell Mind. https://www.verywellmind.com/how-to-become-a-master-of-persuasion-2795901
Diakses pada 24 Desember 2020