Heller, R. (1987). The state of industry: Can Britain make it? BBC Books.
Lua i Stíl Chicago (17ú heag.)Heller, Robert. The State of Industry: Can Britain Make It? London: BBC Books, 1987.
Lua MLA (8ú heag.)Heller, Robert. The State of Industry: Can Britain Make It? BBC Books, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.