APA-viite (7. p.)
Khan, I. A., & Abourashed, E. A. (2009). Leung's encyclopedia of common natural ingredients used in food, drugs, and cosmetics (3rd ed.). Wiley.
Chicago-viite (17. p.)
Khan, I. A., ja Ehab A. Abourashed. Leung's Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics. 3rd ed. Hoboken, N.J.: Wiley, 2009.
MLA-viite (9. p.)
Khan, I. A., ja Ehab A. Abourashed. Leung's Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics. 3rd ed. Wiley, 2009.
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