World Health Organization. (2005). Preparing a health care workforce for the 21st century: The challenge of chronic conditions. World health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization. Preparing a Health Care Workforce for the 21st Century: The Challenge of Chronic Conditions. Geneva: World health Organization, 2005.
MLA-Zitierstil (8. Ausg.)World Health Organization. Preparing a Health Care Workforce for the 21st Century: The Challenge of Chronic Conditions. World health Organization, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.