Sheffer, E. (2007). On Edge: Building the Border in East and West Germany. Cambridge University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSheffer, Edith. On Edge: Building the Border in East and West Germany. Cambridge: Cambridge University, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSheffer, Edith. On Edge: Building the Border in East and West Germany. Cambridge University, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.