Heighway, C. M. (1983). The East and North gates of Gloucester and associated sites: Excavations 1974 - 81. Archaeological Centre.
Chicago-Zitierstil (17. Ausg.)Heighway, Carolyn M. The East and North Gates of Gloucester and Associated Sites: Excavations 1974 - 81. Bristol: Archaeological Centre, 1983.
MLA-Zitierstil (9. Ausg.)Heighway, Carolyn M. The East and North Gates of Gloucester and Associated Sites: Excavations 1974 - 81. Archaeological Centre, 1983.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.