Cita APA (7th ed.)

World Health Organization. (1998). Guidelines for the appropriate use of herbal medicines. World Health organization.

Cita Chicago (17th ed.)

World Health Organization. Guidelines for the Appropriate Use of Herbal Medicines. Manila: World Health organization, 1998.

Cita MLA (8th ed.)

World Health Organization. Guidelines for the Appropriate Use of Herbal Medicines. World Health organization, 1998.