एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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