(1962). Industrialism And Industrialman Clark Kerr Et.al. Heinamnn Educational Books.
Lua i Stíl Chicago (17ú heag.)Industrialism And Industrialman Clark Kerr Et.al. Heinamnn Educational Books, 1962.
Lua MLA (8ú heag.)Industrialism And Industrialman Clark Kerr Et.al. Heinamnn Educational Books, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.