Casson, L. (1982). The Barbarian kings. Stonehenge Press.
Lua i Stíl Chicago (17ú heag.)Casson, Lionel. The Barbarian Kings. Chicago, Illinois: Stonehenge Press, 1982.
Lua MLA (9ú heag.)Casson, Lionel. The Barbarian Kings. Stonehenge Press, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.