APA সাইটেশন

Bonsall, F. F., & Duncan, J. Numerical ranges of operators on normal spaces and of elements of Normed Algebras.

শিকাগো স্টাইলে সাইটেশন

Bonsall, F F., এবং J. Duncan. Numerical Ranges of Operators on Normal Spaces and of Elements of Normed Algebras. New York, Cambridge at the University Press.

এমএলএ সাইটেশন

Bonsall, F F., এবং J. Duncan. Numerical Ranges of Operators on Normal Spaces and of Elements of Normed Algebras.