Zill, D. G. (2001). A first course in differential equations with modeling applications (7th ed.). Brooks / Cole.
Chicago-Zitierstil (17. Ausg.)Zill, Dennis G. A First Course in Differential Equations with Modeling Applications. 7th ed. USA: Brooks / Cole, 2001.
MLA-Zitierstil (9. Ausg.)Zill, Dennis G. A First Course in Differential Equations with Modeling Applications. 7th ed. Brooks / Cole, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.