Zill, D. G. (2009). A first course in differential equations with modeling applications: /Dennis G. Zill (9th ed.). CA : Books/ Cole.
Cita Chicago Style (17a ed.)Zill, Dennis G. A First Course in Differential Equations with Modeling Applications: /Dennis G. Zill. 9th ed. Belmont: CA : Books/ Cole, 2009.
Cita MLA (9a ed.)Zill, Dennis G. A First Course in Differential Equations with Modeling Applications: /Dennis G. Zill. 9th ed. CA : Books/ Cole, 2009.
Precaución: Estas citas no son 100% exactas.