Παραπομπή σε μορφή APA (7η εκδ.)

Llibre, J., & Nunes, A. (1994). Separatrix surfaces and invariant manifolds of a class of integrable Hamiltonian systems and their perturbations. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Llibre, Jaume, και Ana Nunes. Separatrix Surfaces and Invariant Manifolds of a Class of Integrable Hamiltonian Systems and Their Perturbations. Providence, Rhode island: American Mathematical Society, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Llibre, Jaume, και Ana Nunes. Separatrix Surfaces and Invariant Manifolds of a Class of Integrable Hamiltonian Systems and Their Perturbations. American Mathematical Society, 1994.