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Trevathan-Minnis, Melissa (30 August 2021). "Human-animal stuides in psychology: The history and challenges of developing clinically based ethical programs involving animals". The Humanistic Psychologist. 49 (4): 589–601. doi:10.1037/hum0000260. S2CID239684980.
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Polák, Jakub; Rádlová, Silvie; Janovcová, Markéta; Flegr, Jaroslav; Landová, Eva; Frynta, Daniel (2020). "Scary and nasty beasts: Self-reported fear and disgust of common phobic animals". British Journal of Psychology. 111 (2): 297–321. doi:10.1111/bjop.12409. PMID31183857. S2CID184485476.