(1987). Operation and maintenance of sludge dewatering systems: Manual of practice No. OM-8. Alexandria: World Health Organization (WHO).
シカゴスタイル引用形Operation and Maintenance of Sludge Dewatering Systems: Manual of Practice No. OM-8. Alexandria: World Health Organization (WHO), 1987.
MLA引用形式Operation and Maintenance of Sludge Dewatering Systems: Manual of Practice No. OM-8. Alexandria: World Health Organization (WHO), 1987.
警告: この引用は必ずしも正確ではありません.