lohr, v. (1974). problems of determining the role of agriculture in the development of national economy and society. the institute of national planning.
芝加哥风格引文lohr, v. Problems of Determining the Role of Agriculture in the Development of National Economy and Society. cairo: the institute of national planning, 1974.
MLA引文lohr, v. Problems of Determining the Role of Agriculture in the Development of National Economy and Society. the institute of national planning, 1974.
警告：这些引文格式不一定是100％准确.