Zill, D. G. (2013). A First Course in Differential Equations: With Modeling Applications (10th ed.). Cengage Learning.
Cita Chicago (17th ed.)Zill, Dennis G. A First Course in Differential Equations: With Modeling Applications. 10th ed. Boston: Cengage Learning, 2013.
Cita MLA (9th ed.)Zill, Dennis G. A First Course in Differential Equations: With Modeling Applications. 10th ed. Cengage Learning, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.