Cita APA (7th ed.)

Zill, D. G. (2020). A First Course in Differential Equations with Modeling Applications (11th ed.). Cengage.

Cita Chicago (17th ed.)

Zill, Dennis G. A First Course in Differential Equations with Modeling Applications. 11th ed. Delhi: Cengage, 2020.

Cita MLA (9th ed.)

Zill, Dennis G. A First Course in Differential Equations with Modeling Applications. 11th ed. Cengage, 2020.