Zill, D. G. (2013). Differential Equations: A First Course in (10th ed.). Brooks/Cole.
Citazione stile Chigago Style (17a edizione)Zill, Dennis G. Differential Equations: A First Course in. 10th ed. Boston: Brooks/Cole, 2013.
Citatione MLA (9a ed.)Zill, Dennis G. Differential Equations: A First Course in. 10th ed. Brooks/Cole, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.