Draper, J. W. History of the Intellectual Development of Europe, Volume II (of 2) Revised Edition.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDraper, John William. History of the Intellectual Development of Europe, Volume II (of 2) Revised Edition.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDraper, John William. History of the Intellectual Development of Europe, Volume II (of 2) Revised Edition.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.