APA استشهاد

Levy, L. S. (1994). Discrete structures of computer science. Wiley Eastern.

استشهاد بنمط شيكاغو

Levy, Leon S. Discrete Structures of Computer Science. New Delhi: Wiley Eastern, 1994.

MLA استشهاد

Levy, Leon S. Discrete Structures of Computer Science. Wiley Eastern, 1994.