Hartwell, R. (1970). The causes of the industrial revolution in England: Debates in economic history. Methuen.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHartwell, R.M. The Causes of the Industrial Revolution in England: Debates in Economic History. Methuen, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHartwell, R.M. The Causes of the Industrial Revolution in England: Debates in Economic History. Methuen, 1970.
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