Cita APA

Wirkus, S. A., Swift, R. J., & Szypowski, R. course in differential equations with boundary-value problems (Second edition.).

Chicago Edition Citation

Wirkus, Stephen Allen, Randall J. Swift, i Ryan Szypowski. Course in Differential Equations with Boundary-value Problems. Second edition.

Cita MLA

Wirkus, Stephen Allen, et al. Course in Differential Equations with Boundary-value Problems. Second edition.