Duke, J. A. (1997). The green pharmacy: The ultimate compendium of natural remedies from the world's foremost authority on healing herbs. St. Martin's Paperbacks.
Citazione stile Chigago Style (17a edizione)Duke, James A. The Green Pharmacy: The Ultimate Compendium of Natural Remedies from the World's Foremost Authority on Healing Herbs. New York, N.Y: St. Martin's Paperbacks, 1997.
Citatione MLA (9a ed.)Duke, James A. The Green Pharmacy: The Ultimate Compendium of Natural Remedies from the World's Foremost Authority on Healing Herbs. St. Martin's Paperbacks, 1997.
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