Dyfyniad APA
Ward, R. D., & Rogers, W. W. (1987). Convicts, coal, and the Banner Mine tragedy. The University of Alabama Press.
Dyfyniad Arddull Chicago
Ward, Robert David, and William Warren Rogers. Convicts, Coal, and the Banner Mine Tragedy. Tuscaloosa, Alabama ; London, [England]: The University of Alabama Press, 1987.
Dyfyniad MLA
Ward, Robert David, and William Warren Rogers. Convicts, Coal, and the Banner Mine Tragedy. The University of Alabama Press, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.