APA-viite (7. p.)
ebrary, Inc, Parmeggiani, P. L., & Velluti, R. A. (2005). The physiologic nature of sleep. Imperial College Press ; Distributed by World Scientific Publishing.
Chicago-viite (17. p.)
ebrary, Inc, P. L. Parmeggiani, ja Ricardo A. Velluti. The Physiologic Nature of Sleep. London : Hackensack, NJ: Imperial College Press ; Distributed by World Scientific Publishing, 2005.
MLA-viite (9. p.)
ebrary, Inc, et al. The Physiologic Nature of Sleep. Imperial College Press ; Distributed by World Scientific Publishing, 2005.
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