APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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