Dyfyniad APA

Ryser, H. J. (1963). Combinatorial mathematics. Mathematical Association of America, distributed by Wiley.

Dyfyniad Arddull Chicago

Ryser, Herbert John. Combinatorial Mathematics. Buffalo: Mathematical Association of America, distributed by Wiley, 1963.

Dyfyniad MLA

Ryser, Herbert John. Combinatorial Mathematics. Mathematical Association of America, distributed by Wiley, 1963.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.