APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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