- Bret Easton Ellis. American Psycho . New York: Vintage Books, 1991.
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Bret Easton Ellis, American Psycho. New York: Vintage Books, 1991.
- Bret Easton Ellis. "American Psycho." Penguin / Random House . 3/6/1991. 4/14/2020. <https://www.penguinrandomhouse.com/books/46018/american-psycho-by-bret-easton-ellis/>.