Crawford, H. S. (1910). Bullaun stone in the Glen of Aherlow.
Lua i Stíl Chicago (17ú heag.)Crawford, Henry S. Bullaun Stone in the Glen of Aherlow. 1910.
Lua MLA (9ú heag.)Crawford, Henry S. Bullaun Stone in the Glen of Aherlow. 1910.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
