Παραπομπή APA

Courant, R., Courant, R., & John, F. (1989). Introduction to calculus and analysis.V.1. Springer-Verlag.

Παραπομπή Chicago Style

Courant, Richard, Richard,1 Courant, και Fritz John. Introduction to Calculus and Analysis.V.1. New York: Springer-Verlag, 1989.

Παραπομπή MLA

Courant, Richard, et al. Introduction to Calculus and Analysis.V.1. Springer-Verlag, 1989.