Weiss, G. H., & Lohnes, W. F. The National Defense Language Institutes: A benchmark in the training of teachers of German / Gerhard H. Weiss. Walther F.W. Lohnes. Teaching German in twentieth century America.(2001).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWeiss, Gerhard H., और Walther F.W Lohnes. "The National Defense Language Institutes: A Benchmark in the Training of Teachers of German / Gerhard H. Weiss. Walther F.W. Lohnes." Teaching German in Twentieth Century America.(2001) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रWeiss, Gerhard H., और Walther F.W Lohnes. "The National Defense Language Institutes: A Benchmark in the Training of Teachers of German / Gerhard H. Weiss. Walther F.W. Lohnes." Teaching German in Twentieth Century America.(2001), .
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