South Africa. Dept. of Health. (1978). Dust prevention. Dept. of Health.
Chicago-стиль цитированияSouth Africa. Dept. of Health. Dust Prevention. Pretoria: Dept. of Health, 1978.
MLA-цитированиеSouth Africa. Dept. of Health. Dust Prevention. Dept. of Health, 1978.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.