Heton, T. (1721). Some account of mines and the advantages of them to this kingdom: With an appendix relating to the mine-adventure in Wales. Printed for John Wyat.
Chicago-Zitierstil (17. Ausg.)Heton, Thomas. Some Account of Mines and the Advantages of Them to This Kingdom: With an Appendix Relating to the Mine-adventure in Wales. London: Printed for John Wyat, 1721.
MLA-Zitierstil (9. Ausg.)Heton, Thomas. Some Account of Mines and the Advantages of Them to This Kingdom: With an Appendix Relating to the Mine-adventure in Wales. Printed for John Wyat, 1721.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.