Addams, J. (1910). Twenty years at Hull-house, with autobiographical notes. The Macmillan company.
Lua i Stíl Chicago (17ú heag.)Addams, Jane. Twenty Years at Hull-house, with Autobiographical Notes. New york: The Macmillan company, 1910.
Lua MLA (9ú heag.)Addams, Jane. Twenty Years at Hull-house, with Autobiographical Notes. The Macmillan company, 1910.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.