APA

Liu C. L., . (1985). Elements of discrete mathematics. : TATA McGraw-Hill Publishing Company, New Delhi.

Chicago

Liu C L, . 1985. Elements of discrete mathematics. : TATA McGraw-Hill Publishing Company, New Delhi.

Harvard

Liu C. L., . (1985). Elements of discrete mathematics. : TATA McGraw-Hill Publishing Company, New Delhi.

MLA

Liu C L, . Elements of discrete mathematics. : TATA McGraw-Hill Publishing Company, New Delhi. 1985.