Johnson, A. C. (1951). Egypt and the Roman Empire. University of Michigan Press.
Lua i Stíl Chicago (17ú heag.)Johnson, Allan Chester. Egypt and the Roman Empire. Ann Arbor: University of Michigan Press, 1951.
Lua MLA (9ú heag.)Johnson, Allan Chester. Egypt and the Roman Empire. University of Michigan Press, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.