(2001). Excavations at Billingborough, Lincolnshire, 1975-8: A Bronze-Iron Age settlement and salt-working site. Norfolk Archaeological Unit.
Chicago-Zitierstil (17. Ausg.)Excavations at Billingborough, Lincolnshire, 1975-8: A Bronze-Iron Age Settlement and Salt-working Site. Gressenhall: Norfolk Archaeological Unit, 2001.
MLA-Zitierstil (9. Ausg.)Excavations at Billingborough, Lincolnshire, 1975-8: A Bronze-Iron Age Settlement and Salt-working Site. Norfolk Archaeological Unit, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.