Nauert, C. G. (1988). Graf Hermann von Neuenahr and the limits of humanism in Cologne: Charles G. Nauert, Jr. Historical reflections.
Lua i Stíl Chicago (17ú heag.)Nauert, Charles G. "Graf Hermann Von Neuenahr and the Limits of Humanism in Cologne: Charles G. Nauert, Jr." Historical Reflections 1988.
Lua MLA (8ú heag.)Nauert, Charles G. "Graf Hermann Von Neuenahr and the Limits of Humanism in Cologne: Charles G. Nauert, Jr." Historical Reflections, 1988.
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