Παραπομπή APA

Hille, E. (1968). Lectures on ordinary differential equations. Addison-Wesley Pub. Co.

Παραπομπή Chicago Style

Hille, Einar. Lectures on Ordinary Differential Equations. Reading, Mass.: Addison-Wesley Pub. Co, 1968.

Παραπομπή MLA

Hille, Einar. Lectures on Ordinary Differential Equations. Addison-Wesley Pub. Co, 1968.