APA সাইটেশন

Okun, B., & Richardson, R. W. (1965). Studies in economic development. Hott, rinehart and winston.

শিকাগো স্টাইলে সাইটেশন

Okun, Bernard, এবং Richard W. Richardson. Studies in Economic Development. London: Hott, rinehart and winston, 1965.

এমএলএ সাইটেশন

Okun, Bernard, এবং Richard W. Richardson. Studies in Economic Development. Hott, rinehart and winston, 1965.