APA-ийн эшлэл(7 дахь хэвлэлт)

Langer, N. (2001). Linguistic purism in action: How auxiliary tun was stigmatized in Early New High German. Walter de Gruyter.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Langer, Nils. Linguistic Purism in Action: How Auxiliary Tun Was Stigmatized in Early New High German. Berlin ; New York: Walter de Gruyter, 2001.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Langer, Nils. Linguistic Purism in Action: How Auxiliary Tun Was Stigmatized in Early New High German. Walter de Gruyter, 2001.