Forrest, K. (2011). Metal that will not bend: National Union of Metalworkers of South Africa 1980-1995. Wits University Press.
Dyfyniad Arddull ChicagoForrest, Kally. Metal That Will Not Bend: National Union of Metalworkers of South Africa 1980-1995. Johannesburg: Wits University Press, 2011.
Dyfyniad MLAForrest, Kally. Metal That Will Not Bend: National Union of Metalworkers of South Africa 1980-1995. Wits University Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.