(1998). The Cambridge companion to Eugene O'Neill. Cambridge University press.
Lua i Stíl Chicago (17ú heag.)The Cambridge Companion to Eugene O'Neill. New York: Cambridge University press, 1998.
Lua MLA (9ú heag.)The Cambridge Companion to Eugene O'Neill. Cambridge University press, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.