Pond, E. (1993). Beyond the wall: Germany's road to unification. Brookings Institution.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPond, Elizabeth. Beyond the Wall: Germany's Road to Unification. Washington, [D.C.]: Brookings Institution, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPond, Elizabeth. Beyond the Wall: Germany's Road to Unification. Brookings Institution, 1993.
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