un economic & social council. (1966). A selected annotated bibliography of united nations publications and documents on general and methodology aspects of development planning. the institute of national planning.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)un economic & social council. A Selected Annotated Bibliography of United Nations Publications and Documents on General and Methodology Aspects of Development Planning. cairo: the institute of national planning, 1966.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)un economic & social council. A Selected Annotated Bibliography of United Nations Publications and Documents on General and Methodology Aspects of Development Planning. the institute of national planning, 1966.
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