Tohutoro APA (7th ed.)

John, F. (1978). Partial differential equations (3a. ed.). Springer.

Tohutoru Kātū Chicago (17th ed.)

John, Fritz. Partial Differential Equations. 3a. ed. Nueva York: Springer, 1978.

Tohutoro MLA (9th ed.)

John, Fritz. Partial Differential Equations. 3a. ed. Springer, 1978.