Valentin, V. (1940). Eighteen forty eight)1848: Chapters of German history. Allen and Unwin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रValentin, Veit. Eighteen Forty Eight)1848: Chapters of German History. Lond.: Allen and Unwin, 1940.
एमएलए (8वां संस्करण) प्रशस्ति पत्रValentin, Veit. Eighteen Forty Eight)1848: Chapters of German History. Allen and Unwin, 1940.
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