Zill, D. G. (2001). A First course in differential equations with modeling applications (7th ed.). Pacific Grove, U. S. A.: Brooks/Cole Thomson Learning.
Chicago Style CitationZill, Dennis G. A First Course in Differential Equations With Modeling Applications. 7th ed. Pacific Grove, U. S. A.: Brooks/Cole Thomson Learning, 2001.
MLA CitationZill, Dennis G. A First Course in Differential Equations With Modeling Applications. 7th ed. Pacific Grove, U. S. A.: Brooks/Cole Thomson Learning, 2001.
Warning: These citations may not always be 100% accurate.