Leung, A. (1996). Encyclopedia of common natural ingredients: Used in food, drugs, and comestics (2nd ed.). New York: Wiley-VCH.
Trích dẫn kiểu ChicagoLeung, Alberty. Encyclopedia of Common Natural Ingredients: Used in Food, Drugs, and Comestics. 2nd ed. New York: Wiley-VCH, 1996.
Trích dẫn MLALeung, Alberty. Encyclopedia of Common Natural Ingredients: Used in Food, Drugs, and Comestics. 2nd ed. New York: Wiley-VCH, 1996.
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