Unesco. (1973). Guidelines for the establishment and development of monolingual thesauri. The Organization.
芝加哥风格引文Unesco. Guidelines for the Establishment and Development of Monolingual Thesauri. Paris: The Organization, 1973.
MLA引文Unesco. Guidelines for the Establishment and Development of Monolingual Thesauri. The Organization, 1973.
警告：这些引文格式不一定是100％准确.