World Health Organization. (2009). The use of herbal medicines in primary health care. World Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. The Use of Herbal Medicines in Primary Health Care. New Delhi: World Health Organization, 2009.
Cita MLA (8a ed.)World Health Organization. The Use of Herbal Medicines in Primary Health Care. World Health Organization, 2009.
Precaución: Estas citas no son 100% exactas.