Zill, D. (2024). Differential Equations with Boundary-Value Problems (Tenth edition, International metric edition.). Cengage Learning.
Chicago-viite (17. p.)Zill, Dennis. Differential Equations with Boundary-Value Problems. Tenth edition, International metric edition. Boston: Cengage Learning, 2024.
MLA-viite (9. p.)Zill, Dennis. Differential Equations with Boundary-Value Problems. Tenth edition, International metric edition. Cengage Learning, 2024.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.