APA (7th ed.) Zitazioa
Michrina, B. P. (2004). Pennsylvania mining families: The search for dignity in the coalfields. University Press of Kentucky.
Chicago Style (17th ed.) Zitazioa
Michrina, Barry P. Pennsylvania Mining Families: The Search for Dignity in the Coalfields. Lexington, Kentucky: University Press of Kentucky, 2004.
MLA (9th ed.) Zitazioa
Michrina, Barry P. Pennsylvania Mining Families: The Search for Dignity in the Coalfields. University Press of Kentucky, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.