World Health Organization. (1972). Health hazards of the human environment.
Chicagoスタイル(17版)引用形式World Health Organization. Health Hazards of the Human Environment. Geneva, 1972.
MLA(9版)引用形式World Health Organization. Health Hazards of the Human Environment. 1972.
警告: この引用は必ずしも正確ではありません.