Tohutoro APA (7th ed.)

Zill, D. G. (2009). A First Course in Differential Equations: With modeling applications (9th ed.). Brooks/Cole.

Tohutoru Kātū Chicago (17th ed.)

Zill, Dennis G. A First Course in Differential Equations: With Modeling Applications. 9th ed. Pacific Grove: Brooks/Cole, 2009.

Tohutoro MLA (9th ed.)

Zill, Dennis G. A First Course in Differential Equations: With Modeling Applications. 9th ed. Brooks/Cole, 2009.