Παραπομπή APA

Boyce, W. E., & DiPrima, R. C. (1977). Elementary differential equations and boundary value problems (4th ed.). Wiley.

Παραπομπή Chicago Style

Boyce, William E., και Richard C. DiPrima. Elementary Differential Equations and Boundary Value Problems. 4th ed. New York: Wiley, 1977.

Παραπομπή MLA

Boyce, William E., και Richard C. DiPrima. Elementary Differential Equations and Boundary Value Problems. 4th ed. Wiley, 1977.