South Africa. Dept. of Health. (1978). Dust prevention. Dept. of Health.
Chicagoスタイル(17版)引用形式South Africa. Dept. of Health. Dust Prevention. Pretoria: Dept. of Health, 1978.
MLA(8版)引用形式South Africa. Dept. of Health. Dust Prevention. Dept. of Health, 1978.
警告: この引用は必ずしも正確ではありません.