Παραπομπή σε μορφή APA (7η εκδ.)

Edwards, C. H., & Penney, D. Ε. (1993). Elementary differential equations with boundary value problems (3rd ed.). Prentice Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Edwards, C. Henry, και David Ε Penney. Elementary Differential Equations with Boundary Value Problems. 3rd ed. Englewood Cliffs, N.J.: Prentice Hall, 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

Edwards, C. Henry, και David Ε Penney. Elementary Differential Equations with Boundary Value Problems. 3rd ed. Prentice Hall, 1993.