Polking, J. C., Boggess, A., & Arnold, D. (2001). Differential equations. Prentice Hall.
Cita Chicago Style (17a ed.)Polking, John C., Albert Boggess, y David Arnold. Differential Equations. Upper Saddle River, NJ: Prentice Hall, 2001.
Cita MLA (9a ed.)Polking, John C., et al. Differential Equations. Prentice Hall, 2001.
Precaución: Estas citas no son 100% exactas.