Fuentes de Investigación:

• Multilevel Marketing, John Oliver. https://www.youtube.com/watch?v=Cy-O4myeUzg
• L. Fitzpatrick, R. Ponzinomics: The Untold Story of Multi-Level Marketing (2019)
• Kerns, P. (1982) “Fake It Till You Make It”
• Butterfield, S. (1985) “Amway The Cult of Free Enterprise”
• https://www.smithsonianmag.com/history/in-ponzi-we-trust-64016168/
• https://time.com/5877434/first-ponzi-scheme/
• https://www.consumer.ftc.gov/articles/multi-level-marketing-businesses-and-pyramid-schemes
• https://psicologiaymente.com/inteligencia/sesgo-supervivencia
• https://www.vice.com/es/article/a3an4a/vice-psicologia-del-sesgo-optimista