(1951). The Three Bears. Whitman Publishing Company.
Lua i Stíl Chicago (17ú heag.)The Three Bears. Racine/Wisconsin: Whitman Publishing Company, 1951.
Lua MLA (8ú heag.)The Three Bears. Whitman Publishing Company, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.