World Health Organization & World Health Organization. (1998). Regulatory Situation of Herbal Medicines. World Health organization.
Chicagoスタイル(17版)引用形式World Health Organization , World Health Organization. Regulatory Situation of Herbal Medicines. Geneva: World Health organization, 1998.
MLA(8版)引用形式World Health Organization , World Health Organization. Regulatory Situation of Herbal Medicines. World Health organization, 1998.
警告: この引用は必ずしも正確ではありません.