Puff, H. Ruins as models: Displaying destruction in postwar Germany / Helmut Puff. Ruins of modernity.(2010).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPuff, Helmut. "Ruins as Models: Displaying Destruction in Postwar Germany / Helmut Puff." Ruins of Modernity.(2010) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रPuff, Helmut. "Ruins as Models: Displaying Destruction in Postwar Germany / Helmut Puff." Ruins of Modernity.(2010), .
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.