Charlesworth, M. P. (1967). The Roman empire. OUP.
Lua i Stíl Chicago (17ú heag.)Charlesworth, M P. The Roman Empire. London: OUP, 1967.
Lua MLA (9ú heag.)Charlesworth, M P. The Roman Empire. OUP, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.