APA-referens

Kato, T. (1976). Perturbation theory for linear operators (2nd ed.). Springer-Verlag.

Chicago-stil citat

Kato, Tosio. Perturbation Theory for Linear Operators. 2nd ed. Berlin: Springer-Verlag, 1976.

MLA-referens

Kato, Tosio. Perturbation Theory for Linear Operators. 2nd ed. Springer-Verlag, 1976.