(1999). Herbal therapy, medicinal plants, and natural products: An IPA compilation. ASHP.
Citazione stile Chigago Style (17a edizione)Herbal Therapy, Medicinal Plants, and Natural Products: An IPA Compilation. Bethesda, MD: ASHP, 1999.
Citatione MLA (9a ed.)Herbal Therapy, Medicinal Plants, and Natural Products: An IPA Compilation. ASHP, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.