APA-ийн эшлэл(7 дахь хэвлэлт)

Ring, N. J. (2012). The problem South: Region, empire, and the new liberal state, 1880-1930. University of Georgia Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ring, Natalie J. The Problem South: Region, Empire, and the New Liberal State, 1880-1930. Athens: University of Georgia Press, 2012.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ring, Natalie J. The Problem South: Region, Empire, and the New Liberal State, 1880-1930. University of Georgia Press, 2012.