Hughes, P. (1935). Why they died. Proprietors, The Universe (Associated Catholic Newspapers).
Lua i Stíl Chicago (17ú heag.)Hughes, Philip. Why They Died. London: Proprietors, The Universe (Associated Catholic Newspapers), 1935.
Lua MLA (8ú heag.)Hughes, Philip. Why They Died. Proprietors, The Universe (Associated Catholic Newspapers), 1935.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.