Langer, N. (2001). Linguistic purism in action: How auxiliary tun was stigmatized in Early New High German. Walter de Gruyter.
Citace podle Chicago (17th ed.)Langer, Nils. Linguistic Purism in Action: How Auxiliary Tun Was Stigmatized in Early New High German. Berlin ; New York: Walter de Gruyter, 2001.
Citace podle MLA (9th ed.)Langer, Nils. Linguistic Purism in Action: How Auxiliary Tun Was Stigmatized in Early New High German. Walter de Gruyter, 2001.
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