Zill, D. G. (2012). A First Course in Differential Equations: With modeling applications (10th ed.). Brooks/Cole.
Cita Chicago (17th ed.)Zill, Dennis G. A First Course in Differential Equations: With Modeling Applications. 10th ed. Belmont, CA: Brooks/Cole, 2012.
Cita MLA (9th ed.)Zill, Dennis G. A First Course in Differential Equations: With Modeling Applications. 10th ed. Brooks/Cole, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.