World Health Organization. (2009). The use of herbal medicines in primary health care. World Health Organization.
Citación estilo ChicagoWorld Health Organization. The Use of Herbal Medicines in Primary Health Care. New Delhi: World Health Organization, 2009.
Cita MLAWorld Health Organization. The Use of Herbal Medicines in Primary Health Care. World Health Organization, 2009.
Warning: These citations may not always be 100% accurate.