Lipschutz, S. (2019). Discrete Mathematics (3rd.). McGraw Hill.
芝加哥风格引文Lipschutz, Seymour. Discrete Mathematics. 3rd. McGraw Hill, 2019.
MLA引文Lipschutz, Seymour. Discrete Mathematics. 3rd. McGraw Hill, 2019.
警告：这些引文格式不一定是100％准确.
APA引文