Παραπομπή APA

Bliss, G. A. (1968). Lectures on the calculus of variations. University of Chicago Press.

Παραπομπή Chicago Style

Bliss, Gilbert Ames. Lectures on the Calculus of Variations. Chicago, Ill.: University of Chicago Press, 1968.

Παραπομπή MLA

Bliss, Gilbert Ames. Lectures on the Calculus of Variations. University of Chicago Press, 1968.