Não informado. (2012). Summary of Progress of the Geological Survey of Great Britain and the Museum of Practical Geology with Report of the Geological Survey Board. Her Majesty's Stationery Office.
Chicagoスタイル(17版)引用形式Não informado. Summary of Progress of the Geological Survey of Great Britain and the Museum of Practical Geology with Report of the Geological Survey Board. London: Her Majesty's Stationery Office, 2012.
MLA(8版)引用形式Não informado. Summary of Progress of the Geological Survey of Great Britain and the Museum of Practical Geology with Report of the Geological Survey Board. Her Majesty's Stationery Office, 2012.
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