lohr, v. (1974). problems of determining the role of agriculture in the development of national economy and society. the institute of national planning.
Чикаго стиль цитування (17-те видання)lohr, v. Problems of Determining the Role of Agriculture in the Development of National Economy and Society. cairo: the institute of national planning, 1974.
Стиль цитування MLA (9-ме видання)lohr, v. Problems of Determining the Role of Agriculture in the Development of National Economy and Society. the institute of national planning, 1974.