Rainville, E. D., Bedient, P. E., & Bedient, R. E. (1997). Differential Equations (8th ed.). Macmillan.
Cita Chicago (17th ed.)Rainville, Earl D., Phillip E. Bedient, i Richard E. Bedient. Differential Equations. 8th ed. New York: Macmillan, 1997.
Cita MLA (9th ed.)Rainville, Earl D., et al. Differential Equations. 8th ed. Macmillan, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.