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Strangers at the Door. The Strangers (Blu-ray documentary short). Scream Factory. 2018 [2008]. OCLC1230349501.
Simpson 2013, p. 188. Simpson, Philip L. (2013). ""There's Blood on the Walls": Serial Killing as Post-9/11 Terror in The Strangers". In Alzena MacDonald (ed.). Murders and Acquisitions: Representations of the Serial Killer in Popular Culture. New York: Bloomsbury. ISBN978-1-4411-9292-9. OCLC918760963.