एपीए उद्धरण

Liu, C. L. (1972). Topics in combinatorial mathematics. Mathematical Association of America.

शिकागो स्टाइल उद्धरण

Liu, C. L. Topics in Combinatorial Mathematics. [Buffalo, N.Y.]: Mathematical Association of America, 1972.

एमएलए उद्धरण

Liu, C. L. Topics in Combinatorial Mathematics. Mathematical Association of America, 1972.