Nisbet, R. H. (1956). Man and technics. University of Arizona Press.
Lua i Stíl Chicago (17ú heag.)Nisbet, Robert H. Man and Technics. Tucson: University of Arizona Press, 1956.
Lua MLA (9ú heag.)Nisbet, Robert H. Man and Technics. University of Arizona Press, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.