Não informado. (1984). Perspectives. American Historical Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Perspectives. Washington: American Historical Association, 1984.
Lua MLA (8ú heag.)Não informado. Perspectives. American Historical Association, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.