APA (7th ed.) Zitazioa

Friedrichs, K. O. (1965). Lectures on advanced ordinary diferential equations. Gordon and Breach.

Chicago Style (17th ed.) Zitazioa

Friedrichs, Kurt Otto. Lectures on Advanced Ordinary Diferential Equations. Nueva York: Gordon and Breach, 1965.

MLA (9th ed.) Zitazioa

Friedrichs, Kurt Otto. Lectures on Advanced Ordinary Diferential Equations. Gordon and Breach, 1965.