Balestra, P. (1967). The demand for natural gas in the United States: A dynamic approach for the residential and commercial market. North Holland Publishing company.
শিকাগো স্টাইলে সাইটেশনBalestra, Pietro. The Demand for Natural Gas in the United States: A Dynamic Approach for the Residential and Commercial Market. Amsterdam: North Holland Publishing company, 1967.
এমএলএ সাইটেশনBalestra, Pietro. The Demand for Natural Gas in the United States: A Dynamic Approach for the Residential and Commercial Market. North Holland Publishing company, 1967.
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