Forrest, K. (2011). Metal that will not bend: National Union of Metalworkers of South Africa 1980-1995. Wits University Press.
芝加哥风格引文Forrest, Kally. Metal That Will Not Bend: National Union of Metalworkers of South Africa 1980-1995. Johannesburg: Wits University Press, 2011.
MLA引文Forrest, Kally. Metal That Will Not Bend: National Union of Metalworkers of South Africa 1980-1995. Wits University Press, 2011.
警告：这些引文格式不一定是100％准确.