Toxic people adalah. (n.d)., dalam Google Search, diakses melalui https://trends.google.co.id/trends/explore?date=today%205-y&q=toxic%20people, 21 Juli 2020.
Jonason, P. K., et. al., "The Dark Triad at Work: How Toxic Employees Get Their Way", dalam Personality and Individual Differences, 52, Pp. 449-453. doi: 10.1016/j.paid.2011.11.008. 2012. 52. 449-553.
Lillian Glass. (n.d.). Wikipedia, diakses dari https://en.wikipedia.org/wiki/Lillian_Glass.
Marsha Petrie Sue. (n.d.). Wikipedia, diakses dari https://en.wikipedia.org/wiki/Marsha_Petrie_Sue.
Newnes, C., "Toxic Psychology", dalam Rapley, M., et. al., (eds.), De-Medicalizing Misery: Psychiatry, Psychology, and the Human Condition, Â (Hampshire: Palgrave Macmillan, 2011).
Sue, M. P., Toxic People: Decontaminate Difficult People at Work Without Using Weapons or Duct Tape, (New Jersey: John Wiley & Sons, 2007).
Templer, K. J., "Dark Personality, Job Performance Ratings, and The Role of Political Skill: An Indication of Why Toxic People May Get Ahead at Work", dalam Personality and Individual Differences, 142, Pp. 209-214. doi: 10.1016/j/paid.2017.11.030. 2018. 124. 209-214.
