Jack,William. (1999). Principles of health economics for developing countries. World Bank.
Chicago-стиль цитированияJack,William. Principles of Health Economics for Developing Countries. Washington: World Bank, 1999.
MLA-цитированиеJack,William. Principles of Health Economics for Developing Countries. World Bank, 1999.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.