Jack,William. (1999). Principles of health economics for developing countries. World Bank.
Chicago-stil citatJack,William. Principles of Health Economics for Developing Countries. Washington: World Bank, 1999.
MLA-referensJack,William. Principles of Health Economics for Developing Countries. World Bank, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.