Παραπομπή APA

Davies, T. V., & James, E. M. (1966). Nonlinear differential equations. Addison-Wesley Pub. Co.

Παραπομπή Chicago Style

Davies, T. V., και Eleanor M. James. Nonlinear Differential Equations. Reading, Mass.: Addison-Wesley Pub. Co, 1966.

Παραπομπή MLA

Davies, T. V., και Eleanor M. James. Nonlinear Differential Equations. Addison-Wesley Pub. Co, 1966.