APA (7e ed.) Bronvermelding

Struwe, M. (1990). Variational methods: Applications to nonlinear partial differential equations and hamiltonian systems. Springer-Verlag.

Chicago (17e ed.) Bronvermelding

Struwe, Michael. Variational Methods: Applications to Nonlinear Partial Differential Equations and Hamiltonian Systems. Nueva York: Springer-Verlag, 1990.

MLA (9e ed.) Bronvermelding

Struwe, Michael. Variational Methods: Applications to Nonlinear Partial Differential Equations and Hamiltonian Systems. Springer-Verlag, 1990.