Παραπομπή σε μορφή APA (7η εκδ.)

Struwe, M. (2000). Variational methods: Applications to nonlinear partial differential equations and Hamiltonian systems (3rd ed.). Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Struwe, Michael. Variational Methods: Applications to Nonlinear Partial Differential Equations and Hamiltonian Systems. 3rd ed. Berlin ; New York: Springer, 2000.

Παραπομπή σε μορφή MLA (9th εκδ.)

Struwe, Michael. Variational Methods: Applications to Nonlinear Partial Differential Equations and Hamiltonian Systems. 3rd ed. Springer, 2000.