(2013). Longhouses in the Duddon Valley, Cumbria: A survey of building remains and their surrounding landscapes. Duddon Valley Local History Group.
Chicago-Zitierstil (17. Ausg.)Longhouses in the Duddon Valley, Cumbria: A Survey of Building Remains and Their Surrounding Landscapes. Cumbria: Duddon Valley Local History Group, 2013.
MLA-Zitierstil (9. Ausg.)Longhouses in the Duddon Valley, Cumbria: A Survey of Building Remains and Their Surrounding Landscapes. Duddon Valley Local History Group, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.