Παραπομπή APA

Singh, B., & Singh, B. (2003). Discrete mathematics and its applications. Khanna book publishing.

Παραπομπή Chicago Style

Singh, Bhupender, και Bhupinder Singh. Discrete Mathematics and Its Applications. New Delhi: Khanna book publishing, 2003.

Παραπομπή MLA

Singh, Bhupender, και Bhupinder Singh. Discrete Mathematics and Its Applications. Khanna book publishing, 2003.