Cita APA (7a ed.)

South Africa. Dept. of Health. (1978). Dust prevention. Dept. of Health.

Cita Chicago Style (17a ed.)

South Africa. Dept. of Health. Dust Prevention. Pretoria: Dept. of Health, 1978.

Cita MLA (8a ed.)

South Africa. Dept. of Health. Dust Prevention. Dept. of Health, 1978.