(1984). CCF/F: The common communication format for factual information. Unesco.
芝加哥风格引文CCF/F: The Common Communication Format for Factual Information. Paris: Unesco, 1984.
MLA引文CCF/F: The Common Communication Format for Factual Information. Unesco, 1984.
警告：这些引文格式不一定是100％准确.