World Health Organization & World Health Organization. (1998). Regulatory Situation of Herbal Medicines. World Health organization.
Chicago Style (17th ed.) CitationWorld Health Organization and World Health Organization. Regulatory Situation of Herbal Medicines. Geneva: World Health organization, 1998.
ציטוט MLAWorld Health Organization and World Health Organization. Regulatory Situation of Herbal Medicines. World Health organization, 1998.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.