Walcutt, C. C. (1969). John O'Hara. University of Minnesota Press.
Lua i Stíl Chicago (17ú heag.)Walcutt, Charles Child. John O'Hara. Minneapolis: University of Minnesota Press, 1969.
Lua MLA (9ú heag.)Walcutt, Charles Child. John O'Hara. University of Minnesota Press, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.