American Federation of Labor. (1921). Weekly news service. American Federation of Labor.
Lua i Stíl Chicago (17ú heag.)American Federation of Labor. Weekly News Service. Washington, D.C.: American Federation of Labor, 1921.
Lua MLA (8ú heag.)American Federation of Labor. Weekly News Service. American Federation of Labor, 1921.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.