Παραπομπή APA

Roberts, S. M., & Shipman, J. S. (1972). Two-point boundary value problems: Shooting methods. American Elsevier.

Παραπομπή Chicago Style

Roberts, Sanford M., και Jerome S. Shipman. Two-point Boundary Value Problems: Shooting Methods. New York: American Elsevier, 1972.

Παραπομπή MLA

Roberts, Sanford M., και Jerome S. Shipman. Two-point Boundary Value Problems: Shooting Methods. American Elsevier, 1972.