Lucas, R. (1979). Natures medicines: The folklore, romance, and value of herbal remedies. Parker Publishing Company.
Chicago-viite (17. p.)Lucas, Richard. Natures Medicines: The Folklore, Romance, and Value of Herbal Remedies. New York: Parker Publishing Company, 1979.
MLA-viite (9. p.)Lucas, Richard. Natures Medicines: The Folklore, Romance, and Value of Herbal Remedies. Parker Publishing Company, 1979.
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