Παραπομπή APA

Liu, C. L. (2003). Elements of discrete mathematics (2 edition.). TATA McGraw-Hill Publishing Co.

Παραπομπή Chicago Style

Liu, C L. Elements of Discrete Mathematics. 2 edition. New Delhi: TATA McGraw-Hill Publishing Co, 2003.

Παραπομπή MLA

Liu, C L. Elements of Discrete Mathematics. 2 edition. TATA McGraw-Hill Publishing Co, 2003.