APA-referens

Bonsall, F. F., & Duncan, J. (1971). Numerical ranges of operators on normed spaces and of elements of normed algebras. Cambridge University Press.

Chicago-stil citat

Bonsall, F. F., och J. Duncan. Numerical Ranges of Operators on Normed Spaces and of Elements of Normed Algebras. London: Cambridge University Press, 1971.

MLA-referens

Bonsall, F. F., och J. Duncan. Numerical Ranges of Operators on Normed Spaces and of Elements of Normed Algebras. Cambridge University Press, 1971.