Ader, E. B. (1966). Socialism. Woodbury.
Lua i Stíl Chicago (17ú heag.)Ader, Emile B. Socialism. New York: Woodbury, 1966.
Lua MLA (9ú heag.)Ader, Emile B. Socialism. Woodbury, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.