Webster, G. (1980). The Roman invasion of Britain. Barnes & Noble.
Chicago-čujuhus (17. p.)Webster, Graham. The Roman Invasion of Britain. Totowa, N.J.: Barnes & Noble, 1980.
MLA-čujuhus (9. p.)Webster, Graham. The Roman Invasion of Britain. Barnes & Noble, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.