APA সাইটেশন

Ekelund, R. B. (1984). A history of economic theory and method. London: McGraw-Hill International Book Company.

শিকাগো স্টাইলে সাইটেশন

Ekelund, Robert B. A History of Economic Theory and Method. London: McGraw-Hill International Book Company, 1984.

এমএলএ সাইটেশন

Ekelund, Robert B. A History of Economic Theory and Method. London: McGraw-Hill International Book Company, 1984.