Langer, N. (2001). Linguistic purism in action: How auxiliary tun was stigmatized in Early New High German. Walter de Gruyter.
Citação do estilo Chicago (17ª ed.)Langer, Nils. Linguistic Purism in Action: How Auxiliary Tun Was Stigmatized in Early New High German. Berlin ; New York: Walter de Gruyter, 2001.
Citação MLA (9ª ed.)Langer, Nils. Linguistic Purism in Action: How Auxiliary Tun Was Stigmatized in Early New High German. Walter de Gruyter, 2001.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.