Cita APA (7th ed.)

Boyce, W. E., & DiPrima, R. C. Elementary differential equations (Ninth edition.). Wiley.

Cita Chicago (17th ed.)

Boyce, William E., i Richard C. DiPrima. Elementary Differential Equations. Ninth edition. Hoboken: Wiley.

Cita MLA (9th ed.)

Boyce, William E., i Richard C. DiPrima. Elementary Differential Equations. Ninth edition. Wiley.