Boulton, A., & King, W. D. (2011). Part of a long story: "Eugene O'Neill as a young man in love". McFarland & Co..
Lua i Stíl Chicago (17ú heag.)Boulton, Agnes, agus W. D. King. Part of a Long Story: "Eugene O'Neill as a Young Man in Love". Jefferson, N.C.: McFarland & Co., 2011.
Lua MLA (9ú heag.)Boulton, Agnes, agus W. D. King. Part of a Long Story: "Eugene O'Neill as a Young Man in Love". McFarland & Co., 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.