Speller, E. (2003). Following Hadrian: A second century journey through the Roman Empire. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Speller, Elizabeth. Following Hadrian: A Second Century Journey Through the Roman Empire. Oxford ; New York: Oxford University Press, 2003.
Lua MLA (9ú heag.)Speller, Elizabeth. Following Hadrian: A Second Century Journey Through the Roman Empire. Oxford University Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.