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.
Čikaški stil citiranja (17. izdanje)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 način citiranja (8. izdanje)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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