APA引文

Liu, C. . L. (1968). Introduction to combinatorial mathematics. McGraw-Hill.

芝加哥风格引文

Liu, C L. Introduction to Combinatorial Mathematics. New York: McGraw-Hill, 1968.

MLA引文

Liu, C L. Introduction to Combinatorial Mathematics. McGraw-Hill, 1968.

警告:这些引文格式不一定是100%准确.