Παραπομπή σε μορφή APA (7η εκδ.)

Troutman, J. L. (1996). Variational calculus and optimal control: Optimization with elementary convexity (2nd ed.). Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Troutman, John L. Variational Calculus and Optimal Control: Optimization with Elementary Convexity. 2nd ed. New York: Springer, 1996.

Παραπομπή σε μορφή MLA (8th εκδ.)

Troutman, John L. Variational Calculus and Optimal Control: Optimization with Elementary Convexity. 2nd ed. Springer, 1996.