Graham, B. (1960). Answers to life's problems. Grason.
Lua i Stíl Chicago (17ú heag.)Graham, Billy. Answers to Life's Problems. Minneapolis: Grason, 1960.
Lua MLA (9ú heag.)Graham, Billy. Answers to Life's Problems. Grason, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.