Correa, H. (1971). A systems approach to socio-economic planning. University Center for International Studies and International and Development Education Program, University of Pittsburgh.
Chicagoスタイル(17版)引用形式Correa, Hector. A Systems Approach to Socio-economic Planning. Pittsburgh: University Center for International Studies and International and Development Education Program, University of Pittsburgh, 1971.
MLA(9版)引用形式Correa, Hector. A Systems Approach to Socio-economic Planning. University Center for International Studies and International and Development Education Program, University of Pittsburgh, 1971.
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