Lawry, J. (2006). Modelling and reasoning with vague concepts. Springer.
芝加哥风格引文Lawry, Jonathan. Modelling and Reasoning with Vague Concepts. Boston, MA: Springer, 2006.
MLA引文Lawry, Jonathan. Modelling and Reasoning with Vague Concepts. Springer, 2006.
警告：这些引文格式不一定是100％准确.