World Health Organization. (2002). Proceedings of third global symposium on health and welfare systems development in the 21st century. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Proceedings of Third Global Symposium on Health and Welfare Systems Development in the 21st Century. Japan: World Health Organization, 2002.
Citatione MLA (8a ed.)World Health Organization. Proceedings of Third Global Symposium on Health and Welfare Systems Development in the 21st Century. World Health Organization, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.