APA সাইটেশন

Douglas, R. G. (1972). Banach algebra techniques in operator theory. Academic Press.

শিকাগো স্টাইলে সাইটেশন

Douglas, Ronald G. Banach Algebra Techniques in Operator Theory. New York: Academic Press, 1972.

এমএলএ সাইটেশন

Douglas, Ronald G. Banach Algebra Techniques in Operator Theory. Academic Press, 1972.