Cita APA (7th ed.)

Blanchard, P., Devaney, R. L., & Hall, G. R. (2011). Differential equations (4th ed., International ed.). Cengage.

Cita Chicago (17th ed.)

Blanchard, Paul, Robert L. Devaney, i Glen R. Hall. Differential Equations. 4th ed., International ed. Australia: Cengage, 2011.

Cita MLA (9th ed.)

Blanchard, Paul, et al. Differential Equations. 4th ed., International ed. Cengage, 2011.