Morison, E. E. (2016). Men, machines, and modern times (Fiftieth anniversary edition.). The MIT Press.
Lua i Stíl Chicago (17ú heag.)Morison, Elting Elmore. Men, Machines, and Modern Times. Fiftieth anniversary edition. Cambridge, Massachusetts: The MIT Press, 2016.
Lua MLA (9ú heag.)Morison, Elting Elmore. Men, Machines, and Modern Times. Fiftieth anniversary edition. The MIT Press, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.