O'Neill, E. (1988). Eugene O'Neill Complete Plays 1920-1931. Library of America.
Lua i Stíl Chicago (17ú heag.)O'Neill, Eugene. Eugene O'Neill Complete Plays 1920-1931. New York, N.Y.: Library of America, 1988.
Lua MLA (9ú heag.)O'Neill, Eugene. Eugene O'Neill Complete Plays 1920-1931. Library of America, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.