Great Britain. Parliament. (1869). Mines: Reports of the inspectors of mines, to Her Majesty's Secretary of State for the year 1868. H.M.S.O.
Chicago-referens (17:e uppl.)Great Britain. Parliament. Mines: Reports of the Inspectors of Mines, to Her Majesty's Secretary of State for the Year 1868. London: H.M.S.O, 1869.
MLA-referens (8:e uppl.)Great Britain. Parliament. Mines: Reports of the Inspectors of Mines, to Her Majesty's Secretary of State for the Year 1868. H.M.S.O, 1869.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.