(1973). The exploration for and exploitation of crude oil and natural gas. Paris: OECD.
शिकागो स्टाइल उद्धरणThe Exploration for and Exploitation of Crude Oil and Natural Gas. Paris: OECD, 1973.
एमएलए उद्धरणThe Exploration for and Exploitation of Crude Oil and Natural Gas. Paris: OECD, 1973.
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