एपीए उद्धरण

Krishnamurthy, V. Combinatorics: Theory and applications. New Delhi.

शिकागो स्टाइल उद्धरण

Krishnamurthy, V. Combinatorics: Theory and Applications. 2008: New Delhi.

एमएलए उद्धरण

Krishnamurthy, V. Combinatorics: Theory and Applications. New Delhi.