APA-viite (7. p.)
Combs, G. F. (2008). The vitamins: Fundamental aspects in nutrition and health (3rd ed.). Elsevier Academic Press.
Chicago-viite (17. p.)
Combs, Gerald F. The Vitamins: Fundamental Aspects in Nutrition and Health. 3rd ed. Amsterdam ; Boston: Elsevier Academic Press, 2008.
MLA-viite (9. p.)
Combs, Gerald F. The Vitamins: Fundamental Aspects in Nutrition and Health. 3rd ed. Elsevier Academic Press, 2008.
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