Auxiliary 'tun' - German bibliographies - in Harvard style

In-text: (Elspaß, 2005)

Your Bibliography: Elspaß, S., 2005. Sprachgeschichte von unten. Tübingen: Niemeyer.

In-text: (Langer and Davies, 2005)

Your Bibliography: Langer, N. and Davies, W., 2005. Linguistic purism in action. Berlin: de Grutyer.

In-text: (Langer, 2000)

Your Bibliography: Langer, N., 2000. Zur Verbreitung der tun-Periphrase im Frühneuhochdeutschen. Zeitschrift für Dialektologie und Linguistik, 67(3), pp.287-316.

In-text: (Langer, 2001)

Your Bibliography: Langer, N., 2001. Linguistic purism in action: How auxiliary tun was stigmatized in Early New High German. Berlin: de Gruyter.

In-text: (Salmons, 2012)

Your Bibliography: Salmons, J., 2012. A history of German. Oxford: Oxford University Press.

In-text: (Solms, West and Watts, 2001)

Your Bibliography: Solms, H., West, J. and Watts, S., 2001. Zur Verbmorphologie germanischer Sprachen. Tübingen: Niemeyer.