Ducoff, L. J. (1960). Human resources of Central America, Panama and Mexico, 1950-1980, in relation to some aspects of economic development. United Nations Economic Commission for Latin America.
Цитирование в стиле Чикаго (17-е изд.)Ducoff, Louis Joseph. Human Resources of Central America, Panama and Mexico, 1950-1980, in Relation to Some Aspects of Economic Development. [New York]: United Nations Economic Commission for Latin America, 1960.
Цитирование MLA (9-е изд.)Ducoff, Louis Joseph. Human Resources of Central America, Panama and Mexico, 1950-1980, in Relation to Some Aspects of Economic Development. United Nations Economic Commission for Latin America, 1960.
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