United Nations Social Welfare Seminar for Arab States in the Middle East. (1949). United Nations Social Welfare Seminar for Arab States in the Middle East. United Nations.
芝加哥风格引文United Nations Social Welfare Seminar for Arab States in the Middle East. United Nations Social Welfare Seminar for Arab States in the Middle East. New York: United Nations, 1949.
MLA引文United Nations Social Welfare Seminar for Arab States in the Middle East. United Nations Social Welfare Seminar for Arab States in the Middle East. United Nations, 1949.
警告：这些引文格式不一定是100％准确.