APA-referens (7:e uppl.)
Michrina, B. P. (2004). Pennsylvania mining families: The search for dignity in the coalfields. The University Press of Kentucky.
Chicago-referens (17:e uppl.)
Michrina, Barry P. Pennsylvania Mining Families: The Search for Dignity in the Coalfields. Lexington, Kentucky: The University Press of Kentucky, 2004.
MLA-referens (9:e uppl.)
Michrina, Barry P. Pennsylvania Mining Families: The Search for Dignity in the Coalfields. The University Press of Kentucky, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.