Coleman-Norton, P. R., & Johnson, A. C. (1951). Studies in Roman Economic and Social History: Ed. by P. R. Coleman-Norton. Princeton Univ. Press.
Lua i Stíl Chicago (17ú heag.)Coleman-Norton, Paul R., agus Allan Chester Johnson. Studies in Roman Economic and Social History: Ed. by P. R. Coleman-Norton. Princeton, N.J.: Princeton Univ. Press, 1951.
Lua MLA (8ú heag.)Coleman-Norton, Paul R., agus Allan Chester Johnson. Studies in Roman Economic and Social History: Ed. by P. R. Coleman-Norton. Princeton Univ. Press, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.