R. Schiller Bradley. (2008). The Economy Today (Tái bản lần thứ 11.). American: Mc Graw-Hill.
শিকাগো স্টাইলে সাইটেশনR. Schiller Bradley. The Economy Today. Tái bản lần thứ 11. American: Mc Graw-Hill, 2008.
এমএলএ সাইটেশনR. Schiller Bradley. The Economy Today. Tái bản lần thứ 11. American: Mc Graw-Hill, 2008.
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