Dyfyniad APA
Polya, G., & Bowden, L. (1977). Mathematical methods in science. Mathematical Association of America.
Dyfyniad Arddull Chicago
Polya, George, and Leon Bowden. Mathematical Methods in Science. Washington, DC: Mathematical Association of America, 1977.
Dyfyniad MLA
Polya, George, and Leon Bowden. Mathematical Methods in Science. Mathematical Association of America, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.