Karen Hartley; Chris MacRo. (1999). Snail (Bug Books Series) (Big.). Heinemann/Raintree.
Lua i Stíl Chicago (17ú heag.)Karen Hartley; Chris MacRo. Snail (Bug Books Series). Big. Heinemann/Raintree, 1999.
Lua MLA (9ú heag.)Karen Hartley; Chris MacRo. Snail (Bug Books Series). Big. Heinemann/Raintree, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.