Sparling, R. C. (1967). Capital investments of the world petroleum industry. N.Y: The chase Manhattan Bank.
Trích dẫn kiểu ChicagoSparling, Richard C. Capital Investments of the World Petroleum Industry. N.Y: The chase Manhattan Bank, 1967.
MLA CitationSparling, Richard C. Capital Investments of the World Petroleum Industry. N.Y: The chase Manhattan Bank, 1967.
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