Não informado. (1981). Bulletin of the Central Geological Survey. Ministry of Economic Affairs, Central Geological Survey.
Cita Chicago Style (17a ed.)Não informado. Bulletin of the Central Geological Survey. Taipei: Ministry of Economic Affairs, Central Geological Survey, 1981.
Cita MLA (8a ed.)Não informado. Bulletin of the Central Geological Survey. Ministry of Economic Affairs, Central Geological Survey, 1981.
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