Deshpande, Dhananjay
Wonderful World of Herbs: Natural Source of Cure
English Edition, 2005
 Buku Teks SO
Duke, James A.
Anti-ageing prescriptions : herbs, foods and natural formulas to keep you young
Rodale Press, 2003
 Buku Teks SO
A-Z Guide to Drug-Herb-Vitamin Interactions: Improve Your Health and Avoid Side Effects When Using Common Medications and Natural Supplements Together
Alan R. Gaby, Forrest Batz, Rick Chester, George Constantine
Three Rivers Press, 2006
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Hoffmann, David
The Complete Illustrated Holistic Herbal: A Safe and Practical Guide to Making and Using Herbal Remedies
Element Books, 1996
 Buku Teks SO
Natural Standard Herb & Supplement Reference: Evidence-Based Clinical Reviews
Catherine E. Ulbricht, Ethan M. Basch
Elsevier Mosby, 2005
 Buku Teks SO