Hillyer, V. M. (1951). A child's history of the world (Rev., with new material.). Appleton-Century-Crofts.
Lua i Stíl Chicago (17ú heag.)Hillyer, V. M. A Child's History of the World. Rev., with new material. New York: Appleton-Century-Crofts, 1951.
Lua MLA (8ú heag.)Hillyer, V. M. A Child's History of the World. Rev., with new material. Appleton-Century-Crofts, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.