APA (7e ed.) Bronvermelding

Troutman, J. L., & Hrusa, W. (1983). Variational calculus with elementary convexity. Springer-Verlag.

Chicago (17e ed.) Bronvermelding

Troutman, John L., en W. Hrusa. Variational Calculus with Elementary Convexity. New York: Springer-Verlag, 1983.

MLA (8e ed.) Bronvermelding

Troutman, John L., en W. Hrusa. Variational Calculus with Elementary Convexity. Springer-Verlag, 1983.