Não informado. (1990). Research Journal of the Water Pollution Control Federation. Water Pollution Control Federation.
Chicagoスタイル(17版)引用形式Não informado. Research Journal of the Water Pollution Control Federation. Alexandria, Va: Water Pollution Control Federation, 1990.
MLA(8版)引用形式Não informado. Research Journal of the Water Pollution Control Federation. Water Pollution Control Federation, 1990.
警告: この引用は必ずしも正確ではありません.