APA-ийн эшлэл(7 дахь хэвлэлт)

Day, J. S. (2013). Diamonds in the rough: A history of Alabama's Cahaba coal field. The University of Alabama Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Day, James Sanders. Diamonds in the Rough: A History of Alabama's Cahaba Coal Field. Tuscaloosa: The University of Alabama Press, 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Day, James Sanders. Diamonds in the Rough: A History of Alabama's Cahaba Coal Field. The University of Alabama Press, 2013.