World Health Organization. (2009). The use of herbal medicines in primary health care. World Health Organization.
Lua i Stíl Chicago (17ú heag.)World Health Organization. The Use of Herbal Medicines in Primary Health Care. New Delhi: World Health Organization, 2009.
Lua MLA (8ú heag.)World Health Organization. The Use of Herbal Medicines in Primary Health Care. World Health Organization, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.