APA সাইটেশন

Helpman, E. . .. (2005). Mystery of economic growth. Academic foundations.

শিকাগো স্টাইলে সাইটেশন

Helpman, Elhanan. Mystery of Economic Growth. New Delhi: Academic foundations, 2005.

এমএলএ সাইটেশন

Helpman, Elhanan. Mystery of Economic Growth. Academic foundations, 2005.