Mason, M. A., & Kelly, R. S. (1998). The Graeanog ridge: The evolution of a farming landscape and its settlements in north-west Wales. Cambrian Archaeological Assoc.
Chicago-Zitierstil (17. Ausg.)Mason, M. A., und Richard S. Kelly. The Graeanog Ridge: The Evolution of a Farming Landscape and Its Settlements in North-west Wales. Aberystwyth: Cambrian Archaeological Assoc, 1998.
MLA-Zitierstil (9. Ausg.)Mason, M. A., und Richard S. Kelly. The Graeanog Ridge: The Evolution of a Farming Landscape and Its Settlements in North-west Wales. Cambrian Archaeological Assoc, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.