Παραπομπή APA

Dacorogna, B. (2015). Introduction to the calculus of variations.- 3rd ed. (3rd edition.). Imperial college press.

Παραπομπή Chicago Style

Dacorogna, Bernard. Introduction to the Calculus of Variations.- 3rd Ed. 3rd edition. London: Imperial college press, 2015.

Παραπομπή MLA

Dacorogna, Bernard. Introduction to the Calculus of Variations.- 3rd Ed. 3rd edition. Imperial college press, 2015.