Zill, D. G. (2005). A first course in differential equations with modeling applications (Eighth edition.). Brooks/Cole-Thomson Learning.
Chicago-referens (17:e uppl.)Zill, Dennis G. A First Course in Differential Equations with Modeling Applications. Eighth edition. Belmont, CA: Brooks/Cole-Thomson Learning, 2005.
MLA-referens (9:e uppl.)Zill, Dennis G. A First Course in Differential Equations with Modeling Applications. Eighth edition. Brooks/Cole-Thomson Learning, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.