Ruesch, H. (1950). Top of the world. Harper.
Lua i Stíl Chicago (17ú heag.)Ruesch, Hans. Top of the World. New York: Harper, 1950.
Lua MLA (8ú heag.)Ruesch, Hans. Top of the World. Harper, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.