United Nations Educational, Scientific and Cultural Organization UNESCO. (1965). Books for the developing countries. Unesco.
芝加哥风格引文United Nations Educational, Scientific and Cultural Organization UNESCO. Books for the Developing Countries. Paris: Unesco, 1965.
MLA引文United Nations Educational, Scientific and Cultural Organization UNESCO. Books for the Developing Countries. Unesco, 1965.
警告：这些引文格式不一定是100％准确.