United Nations. Secretary-General, 1953-1961 (Hammarskjold), & United Nations. Economic and Social Council. (1961). International economic assistance to the less developed countries: Report to the Economic and Social Council. Dept. of Economic and Social Affairs, United Nations.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited Nations. Secretary-General, 1953-1961 (Hammarskjold), এবং United Nations. Economic and Social Council. International Economic Assistance to the Less Developed Countries: Report to the Economic and Social Council. New York: Dept. of Economic and Social Affairs, United Nations, 1961.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited Nations. Secretary-General, 1953-1961 (Hammarskjold), এবং United Nations. Economic and Social Council. International Economic Assistance to the Less Developed Countries: Report to the Economic and Social Council. Dept. of Economic and Social Affairs, United Nations, 1961.