Παραπομπή APA

Courant, R., & Hilbert, D. (1962). Methods of mathematical physics/2 vols. Wiley Easten Private Ltd.

Παραπομπή Chicago Style

Courant, R., και D. Hilbert. Methods of Mathematical Physics/2 Vols. New Delhi: Wiley Easten Private Ltd, 1962.

Παραπομπή MLA

Courant, R., και D. Hilbert. Methods of Mathematical Physics/2 Vols. Wiley Easten Private Ltd, 1962.