Zill, D. G. (2001). A first course in differential equations with modeling applications (7th edition.). Brooks/Cole Thomson Learning.
Citazione stile Chigago Style (17a edizione)Zill, Dennis G. A First Course in Differential Equations with Modeling Applications. 7th edition. Pacific Grove, CA: Brooks/Cole Thomson Learning, 2001.
Citatione MLA (8a ed.)Zill, Dennis G. A First Course in Differential Equations with Modeling Applications. 7th edition. Brooks/Cole Thomson Learning, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.