Dyfyniad APA

John, F. (1982). Partial differential equations (Fourth edition.). Springer-Verlag.

Dyfyniad Arddull Chicago

John, Fritz. Partial Differential Equations. Fourth edition. New York: Springer-Verlag, 1982.

Dyfyniad MLA

John, Fritz. Partial Differential Equations. Fourth edition. Springer-Verlag, 1982.

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