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Diakses pada 26 September 2019Healthy Place. https://www.healthyplace.com/personality-disorders/psychopath/psychopath-vs-sociopath-what-s-the-difference
Diakses pada 26 September 2019Web MD. https://www.webmd.com/mental-health/features/sociopath-psychopath-difference
Diakses pada 26 September 2019Psychology Today. https://www.psychologytoday.com/intl/basics/psychopathy
Diakses pada 7 Agustus 2020