Polking, J. C., Boggess, A., & Arnold, D. (2006). Differential equations with boundary value problems (Second edition.). Pearson/Prentice Hall.
Citação norma ChicagoPolking, John C., Albert Boggess, and David Arnold. Differential Equations with Boundary Value Problems. Second edition. Upper Saddle River, New Jersey: Pearson/Prentice Hall, 2006.
Citação norma MLAPolking, John C., et al. Differential Equations with Boundary Value Problems. Second edition. Pearson/Prentice Hall, 2006.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.