(1956). The world we live in. Simon and Schuster.
Lua i Stíl Chicago (17ú heag.)The World We Live in. New York: Simon and Schuster, 1956.
Lua MLA (9ú heag.)The World We Live in. Simon and Schuster, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.