Dyfyniad APA

Shishkin, G. I., & Shishkina, L. P. (2009). Difference methods for singular perturbation problems. CRC Press.

Dyfyniad Arddull Chicago

Shishkin, Grigory I., and Lidia P. Shishkina. Difference Methods for Singular Perturbation Problems. Boca Raton, Fla: CRC Press, 2009.

Dyfyniad MLA

Shishkin, Grigory I., and Lidia P. Shishkina. Difference Methods for Singular Perturbation Problems. CRC Press, 2009.

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