Kowalchik, C., & Hylton, . W. H. (1987). Rodale's illustrated encyclopedia of herbs (First edition.). Rodale Press.
Chicago Style (17. basım) AtıfKowalchik, Claire, ve William H. Hylton. Rodale's Illustrated Encyclopedia of Herbs. First edition. Pensylvania: Rodale Press, 1987.
MLA (8th ed.) AtıfKowalchik, Claire, ve William H. Hylton. Rodale's Illustrated Encyclopedia of Herbs. First edition. Rodale Press, 1987.
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