Liu, C. L. (1968). Introduction to combinatorial mathematics. McGraw-Hill.
Chicagoスタイル(17版)引用形式Liu, Chung Laung. Introduction to Combinatorial Mathematics. Nueva York: McGraw-Hill, 1968.
MLA(9版)引用形式Liu, Chung Laung. Introduction to Combinatorial Mathematics. McGraw-Hill, 1968.
警告: この引用は必ずしも正確ではありません.