Zill, D. G. (2013). A first course in differential equations with modeling applications (Tenth edition.). Brooks/Cole, Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZill, Dennis G. A First Course in Differential Equations with Modeling Applications. Tenth edition. Boston, MA: Brooks/Cole, Cengage Learning, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रZill, Dennis G. A First Course in Differential Equations with Modeling Applications. Tenth edition. Brooks/Cole, Cengage Learning, 2013.
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