Wormell, I. (1987). Knowledge engineering: Expert systems and information retrieval. Taylor Graham.
芝加哥风格引文Wormell, Irene. Knowledge Engineering: Expert Systems and Information Retrieval. London [u.a.]: Taylor Graham, 1987.
MLA引文Wormell, Irene. Knowledge Engineering: Expert Systems and Information Retrieval. Taylor Graham, 1987.
警告：这些引文格式不一定是100％准确.