एपीए उद्धरण

RIORDAN.John. (1964). AN INTRODUCTION TO COMBINATORIAL ANALYSIS. john wiley & sons.

शिकागो स्टाइल उद्धरण

RIORDAN.John. AN INTRODUCTION TO COMBINATORIAL ANALYSIS. canada: john wiley & sons, 1964.

एमएलए उद्धरण

RIORDAN.John. AN INTRODUCTION TO COMBINATORIAL ANALYSIS. john wiley & sons, 1964.