Unesco. (1968). The Social sciences: Problems and orientations. Mouton.
芝加哥风格引文Unesco. The Social Sciences: Problems and Orientations. The Hague: Mouton, 1968.
MLA引文Unesco. The Social Sciences: Problems and Orientations. Mouton, 1968.
警告：这些引文格式不一定是100％准确.