Edwards, C. H., Penney, D. E., & Calvis, D. (2008). Elementary differential equations with boundary value problems (6a. ed.). Pearson Prentice Hall.
Citazione stile Chigago Style (17a edizione)Edwards, C. Henry, David E. Penney, e David Calvis. Elementary Differential Equations with Boundary Value Problems. 6a. ed. Upper Saddle River: Pearson Prentice Hall, 2008.
Citatione MLA (9a ed.)Edwards, C. Henry, et al. Elementary Differential Equations with Boundary Value Problems. 6a. ed. Pearson Prentice Hall, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.