United Nations. Dept. of Economic and Social Affairs. (1969). Rural housing: A review of world conditions. s.n.
芝加哥风格引文United Nations. Dept. of Economic and Social Affairs. Rural Housing: A Review of World Conditions. New York: s.n, 1969.
MLA引文United Nations. Dept. of Economic and Social Affairs. Rural Housing: A Review of World Conditions. s.n, 1969.
警告：这些引文格式不一定是100％准确.