Não informado. (2004). Sewage Works Journal. Federation of Sewage Works Associations.
Style de citation Chicago (17e éd.)Não informado. Sewage Works Journal. Easton, Pa: Federation of Sewage Works Associations, 2004.
Style de citation MLA (8e éd.)Não informado. Sewage Works Journal. Federation of Sewage Works Associations, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.