APA引文
Liu, C. L. (2002). Elements of discrete mathematics. McGraw-Hill.
芝加哥风格引文
Liu, C. L. Elements of Discrete Mathematics. New Delhi: McGraw-Hill, 2002.
MLA引文
Liu, C. L. Elements of Discrete Mathematics. McGraw-Hill, 2002.
警告：这些引文格式不一定是100％准确.