Lenski, N. E. (2002). Failure of empire: Valens and the Roman state in the fourth century A.D. University of California Press.
Lua i Stíl Chicago (17ú heag.)Lenski, Noel Emmanuel. Failure of Empire: Valens and the Roman State in the Fourth Century A.D. Berkeley: University of California Press, 2002.
Lua MLA (9ú heag.)Lenski, Noel Emmanuel. Failure of Empire: Valens and the Roman State in the Fourth Century A.D. University of California Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.