Hadfield, A. National and international knowledge: The limits of the histories of nations / Andrew Hadfield. The Renaissance computer : knowledge technology in the first age of print.(2000).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHadfield, Andrew. "National and International Knowledge: The Limits of the Histories of Nations / Andrew Hadfield." The Renaissance Computer : Knowledge Technology in the First Age of Print.(2000) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रHadfield, Andrew. "National and International Knowledge: The Limits of the Histories of Nations / Andrew Hadfield." The Renaissance Computer : Knowledge Technology in the First Age of Print.(2000), .
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.