APA-viite (7. p.)
ebrary, Inc, Gallo, P. G., & Giordano, G. M. (2012). Headaches: Causes, treatment and prevention. Nova Science Publishers.
Chicago-viite (17. p.)
ebrary, Inc, Pietro G. Gallo, ja Giovanna M. Giordano. Headaches: Causes, Treatment and Prevention. New York: Nova Science Publishers, 2012.
MLA-viite (9. p.)
ebrary, Inc, et al. Headaches: Causes, Treatment and Prevention. Nova Science Publishers, 2012.
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