Ryser, H. J. (1963). Combinatorial mathematics. Mathematical Association of America, distributed by Wiley.
芝加哥风格引文Ryser, Herbert John. Combinatorial Mathematics. Buffalo: Mathematical Association of America, distributed by Wiley, 1963.
MLA引文Ryser, Herbert John. Combinatorial Mathematics. Mathematical Association of America, distributed by Wiley, 1963.
警告：这些引文格式不一定是100％准确.