Lehmann, J. (2010). Learning OWL class expressions. IOS Press : AKA.
芝加哥风格引文Lehmann, Jens. Learning OWL Class Expressions. Heidelberg, Germany: IOS Press : AKA, 2010.
MLA引文Lehmann, Jens. Learning OWL Class Expressions. IOS Press : AKA, 2010.
警告：这些引文格式不一定是100％准确.