APA-viite (7. p.)
Facts on File, Inc. (2007). The Facts on File encyclopedia of health and medicine. Volume 4. Facts On File.
Chicago-viite (17. p.)
Facts on File, Inc. The Facts on File Encyclopedia of Health and Medicine. Volume 4. New York, NY: Facts On File, 2007.
MLA-viite (9. p.)
Facts on File, Inc. The Facts on File Encyclopedia of Health and Medicine. Volume 4. Facts On File, 2007.
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