APA-viite (7. p.)
ebrary, Inc, Salvenmoser, O., & Meklau, B. (2010). Biological clocks: Effects on behavior, health, and outlook. Nova Science Publishers.
Chicago-viite (17. p.)
ebrary, Inc, Oktav Salvenmoser, ja Brigitta Meklau. Biological Clocks: Effects on Behavior, Health, and Outlook. New York: Nova Science Publishers, 2010.
MLA-viite (9. p.)
ebrary, Inc, et al. Biological Clocks: Effects on Behavior, Health, and Outlook. Nova Science Publishers, 2010.
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