Derickson, A. (2014). Dangerously sleepy: Overworked Americans and the cult of manly wakefulness. University of Pennsylvania Press.
Chicago-viite (17. p.)Derickson, Alan. Dangerously Sleepy: Overworked Americans and the Cult of Manly Wakefulness. Philadelphia: University of Pennsylvania Press, 2014.
MLA-viite (9. p.)Derickson, Alan. Dangerously Sleepy: Overworked Americans and the Cult of Manly Wakefulness. University of Pennsylvania Press, 2014.
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