Παραπομπή APA

Gossez, J. P. (1976). Nonlinear Operators and the calculations of variations. Springer-Verlag.

Παραπομπή Chicago Style

Gossez, J P. Nonlinear Operators and the Calculations of Variations. Berlin: Springer-Verlag, 1976.

Παραπομπή MLA

Gossez, J P. Nonlinear Operators and the Calculations of Variations. Springer-Verlag, 1976.