Unesco. (1984). International congress on the occasion of the thirtieth anniversary of the Associated Schools Project: Sofia, Bulgaria, 12-16 September 1983. United Nations Educational, Scientific, and Cultural Organization.
Chicago Style (17th ed.) CitationUnesco. International Congress on the Occasion of the Thirtieth Anniversary of the Associated Schools Project: Sofia, Bulgaria, 12-16 September 1983. Paris: United Nations Educational, Scientific, and Cultural Organization, 1984.
MLA引文Unesco. International Congress on the Occasion of the Thirtieth Anniversary of the Associated Schools Project: Sofia, Bulgaria, 12-16 September 1983. United Nations Educational, Scientific, and Cultural Organization, 1984.
警告：這些引文格式不一定是100％准確.