Economics and Social Council. (1971). The sea: Mineral resources of the sea; report of the secretary- general. England: United Nations.
Chicago-tyylinen lähdeviittausEconomics and Social Council. The Sea: Mineral Resources of the Sea; Report of the Secretary- General. England: United Nations, 1971.
MLA-viiteEconomics and Social Council. The Sea: Mineral Resources of the Sea; Report of the Secretary- General. England: United Nations, 1971.
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