Zill, D. G. (2013). Differential Equations: A First Course in (10th ed.). Brooks/Cole.
Chicago Style (17. basım) AtıfZill, Dennis G. Differential Equations: A First Course in. 10th ed. Boston: Brooks/Cole, 2013.
MLA (9th ed.) AtıfZill, Dennis G. Differential Equations: A First Course in. 10th ed. Brooks/Cole, 2013.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..