Hedberg, J. (1945). Syncope of the Old English present endings: A dialect criterion. C.W.K. Gleerup, Kraus Reprint.
Lua i Stíl Chicago (17ú heag.)Hedberg, Johannes. Syncope of the Old English Present Endings: A Dialect Criterion. Lund, Nendeln, Liechtenstein: C.W.K. Gleerup, Kraus Reprint, 1945.
Lua MLA (8ú heag.)Hedberg, Johannes. Syncope of the Old English Present Endings: A Dialect Criterion. C.W.K. Gleerup, Kraus Reprint, 1945.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.