Kroll-Smith, J. S., & Couch, S. R. (1990). The real disaster is above ground: A mine fire & social conflict. The University Press of Kentucky.
Cita Chicago (17th ed.)Kroll-Smith, J. Stephen, i Stephen Robert Couch. The Real Disaster Is Above Ground: A Mine Fire & Social Conflict. Lexington, Kentucky: The University Press of Kentucky, 1990.
Cita MLA (9th ed.)Kroll-Smith, J. Stephen, i Stephen Robert Couch. The Real Disaster Is Above Ground: A Mine Fire & Social Conflict. The University Press of Kentucky, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.