Παραπομπή APA

Courant, R., & Hilbert, D. (1953). Methods of mathematical physics: V2. partial differential equations. Interscience Publishers.

Παραπομπή Chicago Style

Courant, Richard, και David Hilbert. Methods of Mathematical Physics: V2. Partial Differential Equations. New York: Interscience Publishers, 1953.

Παραπομπή MLA

Courant, Richard, και David Hilbert. Methods of Mathematical Physics: V2. Partial Differential Equations. Interscience Publishers, 1953.