(1986). Unesco sourcebook for out-of school science and technology education. Unesco.
芝加哥风格引文Unesco Sourcebook for Out-of School Science and Technology Education. Paris: Unesco, 1986.
MLA引文Unesco Sourcebook for Out-of School Science and Technology Education. Unesco, 1986.
警告：这些引文格式不一定是100％准确.