Παραπομπή σε μορφή APA (7η εκδ.)

Struwe, M. Variational methods: Applications to nonlinear partial differential equations and Hamiltonian system.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Struwe, Michael. Variational Methods: Applications to Nonlinear Partial Differential Equations and Hamiltonian System.

Παραπομπή σε μορφή MLA (9th εκδ.)

Struwe, Michael. Variational Methods: Applications to Nonlinear Partial Differential Equations and Hamiltonian System.