World Health Organization. (1998). Guidelines for the appropriate use of herbal medicines. World Health organization.
Chicagoスタイル(17版)引用形式World Health Organization. Guidelines for the Appropriate Use of Herbal Medicines. Manila: World Health organization, 1998.
MLA(8版)引用形式World Health Organization. Guidelines for the Appropriate Use 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.