Παραπομπή σε μορφή APA (7η εκδ.)

Zill, D. G. (2013). A first course in differential equations with modeling applications (Tenth edition.). Brooks/Cole, Cengage Learning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Zill, Dennis G. A First Course in Differential Equations with Modeling Applications. Tenth edition. Boston, MA: Brooks/Cole, Cengage Learning, 2013.

Παραπομπή σε μορφή MLA (8th εκδ.)

Zill, Dennis G. A First Course in Differential Equations with Modeling Applications. Tenth edition. Brooks/Cole, Cengage Learning, 2013.