Não informado. (1989). Water Environment & Technology. Water Pollution Control Federation.
Style de citation Chicago (17e éd.)Não informado. Water Environment & Technology. Alexandria, Va: Water Pollution Control Federation, 1989.
Style de citation MLA (8e éd.)Não informado. Water Environment & Technology. Water Pollution Control Federation, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.