Wain, J. (1956). A word carved on a sill. Routledge & Kegan Paul.
Lua i Stíl Chicago (17ú heag.)Wain, John. A Word Carved on a Sill. London: Routledge & Kegan Paul, 1956.
Lua MLA (8ú heag.)Wain, John. A Word Carved on a Sill. Routledge & Kegan Paul, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.