Dyfyniad APA

John, F. (1978). Partial differential equations (3rd ed.). Springer-Verlag.

Dyfyniad Arddull Chicago

John, Fritz. Partial Differential Equations. 3rd ed. Springer-Verlag, 1978.

Dyfyniad MLA

John, Fritz. Partial Differential Equations. 3rd ed. Springer-Verlag, 1978.

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