Cita APA (7th ed.)

Kevorkian, J., & Cole, J. D. (1981). Perturbation methods in applied mathematics. Springer-Verlag.

Cita Chicago (17th ed.)

Kevorkian, J., i J. D. Cole. Perturbation Methods in Applied Mathematics. New York: Springer-Verlag, 1981.

Cita MLA (8th ed.)

Kevorkian, J., i J. D. Cole. Perturbation Methods in Applied Mathematics. Springer-Verlag, 1981.