Hoffmann, D. (2016). The complete herbs sourcebook: An A-to-Z guide of herbs to cure your everyday ailments. Skyhorse Publishing, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoffmann, David. The Complete Herbs Sourcebook: An A-to-Z Guide of Herbs to Cure Your Everyday Ailments. New York: Skyhorse Publishing, Inc., 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHoffmann, David. The Complete Herbs Sourcebook: An A-to-Z Guide of Herbs to Cure Your Everyday Ailments. Skyhorse Publishing, Inc., 2016.
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