Kumar, K. (1978). Prophecy and progress: The sociology of industrial and post-industrial society. Penguin Books.
Dyfyniad Arddull ChicagoKumar, Krishan. Prophecy and Progress: The Sociology of Industrial and Post-industrial Society. London: Penguin Books, 1978.
Dyfyniad MLAKumar, Krishan. Prophecy and Progress: The Sociology of Industrial and Post-industrial Society. Penguin Books, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.