APA-ийн эшлэл(7 дахь хэвлэлт)

Callahan, R. J. (2009). Work and faith in the Kentucky coal fields: Subject to dust. Indiana University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Callahan, Richard J. Work and Faith in the Kentucky Coal Fields: Subject to Dust. Bloomington: Indiana University Press, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Callahan, Richard J. Work and Faith in the Kentucky Coal Fields: Subject to Dust. Indiana University Press, 2009.