Knowles,L.C.A. (1961). The industrial and commercial revolution in Great Britain during the nineteenth century. Routledge & Kegan Paul.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKnowles,L.C.A. The Industrial and Commercial Revolution in Great Britain During the Nineteenth Century. Routledge & Kegan Paul, 1961.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKnowles,L.C.A. The Industrial and Commercial Revolution in Great Britain During the Nineteenth Century. Routledge & Kegan Paul, 1961.
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