Steinmetz, W. (2012). Some thoughts on a history of Twentieth-Century German basic concepts: Willibald Steinmetz. Contributions to the history of concepts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSteinmetz, Willibald. "Some Thoughts on a History of Twentieth-Century German Basic Concepts: Willibald Steinmetz." Contributions to the History of Concepts 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSteinmetz, Willibald. "Some Thoughts on a History of Twentieth-Century German Basic Concepts: Willibald Steinmetz." Contributions to the History of Concepts, 2012.
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