Redmond, Sean (2014). Liquid Metal: the Science Fiction Film Reader(en inglés). Nueva York: Columbia University Press. p. 114. ISBN978-0-231501842. Consultado el 5 de agosto de 2021. «[...] the time travel motif also has an ideological function because it literally provides the necessary distancing effect that science fiction needs to be able to metaphorically address the most pressing issues and themes that concern people in the present.»