एपीए उद्धरण

Shrikhande, S. Lecture notes on combinatorial problems. Indian Statistical Institute.

शिकागो स्टाइल उद्धरण

Shrikhande, S.S. Lecture Notes on Combinatorial Problems. Culcutta: Indian Statistical Institute.

एमएलए उद्धरण

Shrikhande, S.S. Lecture Notes on Combinatorial Problems. Indian Statistical Institute.