Παραπομπή APA

Davis, H. T. (1960). Introduction to nonlinear differential and integral equations. U.S. Atomic Energy Commission.

Παραπομπή Chicago Style

Davis, Harold T. Introduction to Nonlinear Differential and Integral Equations. [Washington]: U.S. Atomic Energy Commission, 1960.

Παραπομπή MLA

Davis, Harold T. Introduction to Nonlinear Differential and Integral Equations. U.S. Atomic Energy Commission, 1960.