Brown, M. (1978). Differential Equations (2nd ed.). Springer-Verlag.
Cita Chicago (17th ed.)Brown, Martin. Differential Equations. 2nd ed. New York: Springer-Verlag, 1978.
Cita MLA (9th ed.)Brown, Martin. Differential Equations. 2nd ed. Springer-Verlag, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.