Dyfyniad APA

John, F. (1975). Partial differential equations (2nd ed.). Springer-Verlag.

Dyfyniad Arddull Chicago

John, F. Partial Differential Equations. 2nd ed. New York: Springer-Verlag, 1975.

Dyfyniad MLA

John, F. Partial Differential Equations. 2nd ed. Springer-Verlag, 1975.

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