Reddick, H. W., & Kibbey, D. E. (1956). Differential equations (3a. ed.). John Wiley & Sons.
Cita Chicago (17th ed.)Reddick, Harry Wilfred, i Donald Eugene Kibbey. Differential Equations. 3a. ed. Nueva York: John Wiley & Sons, 1956.
Cita MLA (9th ed.)Reddick, Harry Wilfred, i Donald Eugene Kibbey. Differential Equations. 3a. ed. John Wiley & Sons, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.