Cita APA (7th ed.)

Zill, D. G. (1986). A first course in differential equations with applications (Third Edition.). Prindle, Weber & Schmidt.

Cita Chicago (17th ed.)

Zill, Dennis G. A First Course in Differential Equations with Applications. Third Edition. Boston, USA: Prindle, Weber & Schmidt, 1986.

Cita MLA (9th ed.)

Zill, Dennis G. A First Course in Differential Equations with Applications. Third Edition. Prindle, Weber & Schmidt, 1986.