O'Neill, W. L. (1967). Divorce in the progressive era. Yale University Press.
Lua i Stíl Chicago (17ú heag.)O'Neill, William L. Divorce in the Progressive Era. New Haven: Yale University Press, 1967.
Lua MLA (9ú heag.)O'Neill, William L. Divorce in the Progressive Era. Yale University Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.