Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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