O'Brien, M. J., & O'Brien, M. J. (1968). Twentieth century interpretations of Oedipus Rex: A collection of critical essays. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)O'Brien, Michael John, agus Michael J. O'Brien. Twentieth Century Interpretations of Oedipus Rex: A Collection of Critical Essays. Englewood Cliffs, N.J.: Prentice-Hall, 1968.
Lua MLA (8ú heag.)O'Brien, Michael John, agus Michael J. O'Brien. Twentieth Century Interpretations of Oedipus Rex: A Collection of Critical Essays. Prentice-Hall, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.