Liu C L. (2008). Elements of discrete mathematics (3rd.). McGraw Hill.
芝加哥风格引文Liu C L. Elements of Discrete Mathematics. 3rd. New Delhi: McGraw Hill, 2008.
MLA引文Liu C L. Elements of Discrete Mathematics. 3rd. McGraw Hill, 2008.
警告：这些引文格式不一定是100％准确.