APA-referens (7:e uppl.)

Murnaghan, F. D. (1962). The calculus of variations (1a. ed.). Spartan Books.

Chicago-referens (17:e uppl.)

Murnaghan, Francis D. The Calculus of Variations. 1a. ed. Washington, D.C: Spartan Books, 1962.

MLA-referens (9:e uppl.)

Murnaghan, Francis D. The Calculus of Variations. 1a. ed. Spartan Books, 1962.