World Health Organization. (1998). Guidelines for the appropriate use of herbal medicines. World Health organization.
Style de citation Chicago (17e éd.)World Health Organization. Guidelines for the Appropriate Use of Herbal Medicines. Manila: World Health organization, 1998.
Style de citation MLA (8e éd.)World Health Organization. Guidelines for the Appropriate Use of Herbal Medicines. World Health organization, 1998.
Attention : ces citations peuvent ne pas être correctes à 100%.