Cita APA (7th ed.)

Derrick, W. R., & Grossman, S. I. (1987). A First Course in Differential Equations with Applications (3rd ed.). West Publishing Company.

Cita Chicago (17th ed.)

Derrick, William R., i Stanley I. Grossman. A First Course in Differential Equations with Applications. 3rd ed. St. Paul: West Publishing Company, 1987.

Cita MLA (9th ed.)

Derrick, William R., i Stanley I. Grossman. A First Course in Differential Equations with Applications. 3rd ed. West Publishing Company, 1987.