(1984). Bertie and the bear / Pamela Allen.
Lua i Stíl Chicago (17ú heag.)Bertie and the Bear / Pamela Allen. 1984.
Lua MLA (9ú heag.)Bertie and the Bear / Pamela Allen. 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.