Ross, S. L. (1964). Differential equations. Blaisdell Publishing Company.
Cita Chicago (17th ed.)Ross, Shepley L. Differential Equations. Nueva York: Blaisdell Publishing Company, 1964.
Cita MLA (9th ed.)Ross, Shepley L. Differential Equations. Blaisdell Publishing Company, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.