Farjeon, E. (1979). Edward Thomas: The last four years. Oxford Univ. Pr..
Lua i Stíl Chicago (17ú heag.)Farjeon, Eleanor. Edward Thomas: The Last Four Years. Oxford [u.a.]: Oxford Univ. Pr., 1979.
Lua MLA (8ú heag.)Farjeon, Eleanor. Edward Thomas: The Last Four Years. Oxford Univ. Pr., 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.