Berg, M. (1979). Technology and toil in nineteenth century Britain: Documents. CSE Books ; Humanities Press.
Lua i Stíl Chicago (17ú heag.)Berg, Maxine. Technology and Toil in Nineteenth Century Britain: Documents. London : Atlantic Highlands, N.J.: CSE Books ; Humanities Press, 1979.
Lua MLA (8ú heag.)Berg, Maxine. Technology and Toil in Nineteenth Century Britain: Documents. CSE Books ; Humanities Press, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.