Hill, L. (1963). Elementary comprehension pieces. O.U.P.
Lua i Stíl Chicago (17ú heag.)Hill, L. Elementary Comprehension Pieces. London: O.U.P, 1963.
Lua MLA (9ú heag.)Hill, L. Elementary Comprehension Pieces. O.U.P, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.