Hill, E. Spot's First Walk. G. P. Putnam's Sons.
Lua i Stíl Chicago (17ú heag.)Hill, Eric. Spot's First Walk. G. P. Putnam's Sons.
Lua MLA (8ú heag.)Hill, Eric. Spot's First Walk. G. P. Putnam's Sons.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.