Maller, J. (1983). Health and safety for workers: A study of conditions of health and safety in the metal industry in the Vaal Traingle. Johannesburg: Development Studies Group (DSG).
Chicago-viite (17. p.)Maller, Judy. Health and Safety for Workers: A Study of Conditions of Health and Safety in the Metal Industry in the Vaal Traingle. Johannesburg: Development Studies Group (DSG), 1983.
MLA-viite (8. p.)Maller, Judy. Health and Safety for Workers: A Study of Conditions of Health and Safety in the Metal Industry in the Vaal Traingle. Johannesburg: Development Studies Group (DSG), 1983.
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