Priestley, H. (1997). Varieties of distributive lattices with unary operations .1.
芝加哥风格引文Priestley, H. Varieties of Distributive Lattices with Unary Operations .1. 1997.
MLA引文Priestley, H. Varieties of Distributive Lattices with Unary Operations .1. 1997.
警告：这些引文格式不一定是100％准确.