(1998). Medicinal plants: Their role in health and biodiversity ; proceedings of an international symposium cosponsored by the Morris Arboretum of the University of Pennsylvania and the World Health Organization, Philadelphia, Pennsylvania, April 1993. Univ. of Philadelphia Press.
Chicago-Zitierstil (17. Ausg.)Medicinal Plants: Their Role in Health and Biodiversity ; Proceedings of an International Symposium Cosponsored by the Morris Arboretum of the University of Pennsylvania and the World Health Organization, Philadelphia, Pennsylvania, April 1993. Philadelphia, Pa: Univ. of Philadelphia Press, 1998.
MLA-Zitierstil (9. Ausg.)Medicinal Plants: Their Role in Health and Biodiversity ; Proceedings of an International Symposium Cosponsored by the Morris Arboretum of the University of Pennsylvania and the World Health Organization, Philadelphia, Pennsylvania, April 1993. Univ. of Philadelphia Press, 1998.