Renn, J. Two aspects of a crisis of European culture: Jürgen Renn. Echo : an infrastructure to bring European cultural heritage online ; the foundation papers of a European initiative.(2002).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRenn, Jürgen. "Two Aspects of a Crisis of European Culture: Jürgen Renn." Echo : An Infrastructure to Bring European Cultural Heritage Online ; the Foundation Papers of a European Initiative.(2002) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रRenn, Jürgen. "Two Aspects of a Crisis of European Culture: Jürgen Renn." Echo : An Infrastructure to Bring European Cultural Heritage Online ; the Foundation Papers of a European Initiative.(2002), .
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