Cowherd, R. G. (1956). The humanitarians and the ten hour movement in England. Baker Library, Harvard Graduate School of Business Administration.
Lua i Stíl Chicago (17ú heag.)Cowherd, Raymond Gibson. The Humanitarians and the Ten Hour Movement in England. Boston, Mass.: Baker Library, Harvard Graduate School of Business Administration, 1956.
Lua MLA (8ú heag.)Cowherd, Raymond Gibson. The Humanitarians and the Ten Hour Movement in England. Baker Library, Harvard Graduate School of Business Administration, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.