Schlögel, K. "Commentary": Mastering Imperial Spaces in the Age of Engineers / Karl Schlögel. Comparing empires : encounters and transfers in the long nineteenth century.(2011).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchlögel, Karl. ""Commentary": Mastering Imperial Spaces in the Age of Engineers / Karl Schlögel." Comparing Empires : Encounters and Transfers in the Long Nineteenth Century.(2011) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchlögel, Karl. ""Commentary": Mastering Imperial Spaces in the Age of Engineers / Karl Schlögel." Comparing Empires : Encounters and Transfers in the Long Nineteenth Century.(2011), .
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.