Cita APA

South Africa. Dept. of National Health and Population Development. (1992). Air pollution control in South Africa. Dept. of National Health and Population Development.

Citación estilo Chicago

South Africa. Dept. of National Health and Population Development. Air Pollution Control in South Africa. Pretoria: Dept. of National Health and Population Development, 1992.

Cita MLA

South Africa. Dept. of National Health and Population Development. Air Pollution Control in South Africa. Dept. of National Health and Population Development, 1992.