Hill, E. Spot Visits His Grandparents (Color). Frederick Warne And Company.
Lua i Stíl Chicago (17ú heag.)Hill, Eric. Spot Visits His Grandparents (Color). Frederick Warne And Company.
Lua MLA (8ú heag.)Hill, Eric. Spot Visits His Grandparents (Color). Frederick Warne And Company.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.