Eck, H. J. v. (1951). Some aspects of the South Arica industrial revolution: By H. J. van Eck. South African Institute of Race Relations.
Chicago-Zitierstil (17. Ausg.)Eck, H. J. van. Some Aspects of the South Arica Industrial Revolution: By H. J. Van Eck. Johannesburg: South African Institute of Race Relations, 1951.
MLA-Zitierstil (8. Ausg.)Eck, H. J. van. Some Aspects of the South Arica Industrial Revolution: By H. J. Van Eck. South African Institute of Race Relations, 1951.
警告：這些引文格式不一定是100％准確.