hassouna, w. a. (1970). basic economic concepts for health planners. the institute of national planning.
Цитирование в стиле Чикаго (17-е изд.)hassouna, w. a. Basic Economic Concepts for Health Planners. cairo: the institute of national planning, 1970.
Цитирование MLA (9-е изд.)hassouna, w. a. Basic Economic Concepts for Health Planners. the institute of national planning, 1970.