institute of national planning. (1979). improving the position of third world countries in the international cotton economy. institute of national planning.
芝加哥风格引文institute of national planning. Improving the Position of Third World Countries in the International Cotton Economy. Cairo: institute of national planning, 1979.
MLA引文institute of national planning. Improving the Position of Third World Countries in the International Cotton Economy. institute of national planning, 1979.
警告：这些引文格式不一定是100％准确.