Não informado. (1964). Highlights. Water Pollution Control Federation.
Chicagoスタイル(17版)引用形式Não informado. Highlights. Washington: Water Pollution Control Federation, 1964.
MLA(8版)引用形式Não informado. Highlights. Water Pollution Control Federation, 1964.
警告: この引用は必ずしも正確ではありません.