APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, & Lenz, A. N. (2010). Grammar between norm and variation. Peter Lang.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, ба Alexandra N. Lenz. Grammar Between Norm and Variation. Frankfurt am Main ; New York: Peter Lang, 2010.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, ба Alexandra N. Lenz. Grammar Between Norm and Variation. Peter Lang, 2010.