APA استشهاد

Biswal, P. C. (2005). Discrete mathematics and graph theory. Prentice Hall.

استشهاد بنمط شيكاغو

Biswal, Purna Chandra. Discrete Mathematics and Graph Theory. New Delhi: Prentice Hall, 2005.

MLA استشهاد

Biswal, Purna Chandra. Discrete Mathematics and Graph Theory. Prentice Hall, 2005.