Fowler, J. E. (1979). Looking backward. Roebuck Society.
Lua i Stíl Chicago (17ú heag.)Fowler, John Ernest. Looking Backward. Canberra: Roebuck Society, 1979.
Lua MLA (8ú heag.)Fowler, John Ernest. Looking Backward. Roebuck Society, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.