(1987). Long-term trends and underlying factors affecting steel consumption in the United States. Washington: U. S. department of Commerce.
शिकागो स्टाइल उद्धरणLong-term Trends and Underlying Factors Affecting Steel Consumption in the United States. Washington: U. S. department of Commerce, 1987.
एमएलए उद्धरणLong-term Trends and Underlying Factors Affecting Steel Consumption in the United States. Washington: U. S. department of Commerce, 1987.
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