Inge, W. R. (1919). Outspoken essays. Longmans, Green.
Lua i Stíl Chicago (17ú heag.)Inge, William Ralph. Outspoken Essays. London: Longmans, Green, 1919.
Lua MLA (8ú heag.)Inge, William Ralph. Outspoken Essays. Longmans, Green, 1919.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.