Ross, S. L. (1984). Differential equations (3rd ed.). John wiley & Sons, Inc.
Dyfyniad Arddull ChicagoRoss, Shepley L. Differential Equations. 3rd ed. Canada: John wiley & Sons, Inc, 1984.
Dyfyniad MLARoss, Shepley L. Differential Equations. 3rd ed. John wiley & Sons, Inc, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.