World Health Organization. (2005). Preparing a health care workforce for the 21st century: The challenge of chronic conditions. World health Organization.
Lua i Stíl Chicago (17ú heag.)World Health Organization. Preparing a Health Care Workforce for the 21st Century: The Challenge of Chronic Conditions. Geneva: World health Organization, 2005.
Lua MLA (8ú heag.)World Health Organization. Preparing a Health Care Workforce for the 21st Century: The Challenge of Chronic Conditions. World health Organization, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.