Mumford, L. (2010). Technics and civilization. The University of Chicago Press.
Dyfyniad Arddull ChicagoMumford, Lewis. Technics and Civilization. Chicago ; London: The University of Chicago Press, 2010.
Dyfyniad MLAMumford, Lewis. Technics and Civilization. The University of Chicago Press, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.