South Africa. Dept. of National Health and Population Development. (1992). Air pollution control in South Africa. Dept. of National Health and Population Development.
Citação do estilo Chicago (17ª ed.)South Africa. Dept. of National Health and Population Development. Air Pollution Control in South Africa. Pretoria: Dept. of National Health and Population Development, 1992.
Citação MLA (8ª ed.)South Africa. Dept. of National Health and Population Development. Air Pollution Control in South Africa. Dept. of National Health and Population Development, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.