APA استشهاد

Levy, L. S. (1980). Discrete structures of computer science. Wiley.

استشهاد بنمط شيكاغو

Levy, Leon S. Discrete Structures of Computer Science. New Delhi: Wiley, 1980.

MLA استشهاد

Levy, Leon S. Discrete Structures of Computer Science. Wiley, 1980.