APA aipamena

Edwards, C. H., & Penney, D. E. (2008). Elementary differential equations (Sixth edition.). Pearson/Prentice Hall.

Chicago Style aipamena

Edwards, C. H., and David E. Penney. Elementary Differential Equations. Sixth edition. Upper Saddle River, N.J: Pearson/Prentice Hall, 2008.

MLA aipamena

Edwards, C. H., and David E. Penney. Elementary Differential Equations. Sixth edition. Pearson/Prentice Hall, 2008.