Edwards, C. H., Penney, D. E., & Calvis, D. (2008). Elementary differential equations with boundary value problems (6a. ed.). Pearson Prentice Hall.
Chicago Style (17th ed.) CitationEdwards, C. Henry, David E. Penney, and David Calvis. Elementary Differential Equations with Boundary Value Problems. 6a. ed. Upper Saddle River: Pearson Prentice Hall, 2008.
MLA (9th ed.) CitationEdwards, C. Henry, et al. Elementary Differential Equations with Boundary Value Problems. 6a. ed. Pearson Prentice Hall, 2008.
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