Federation of Sewage Works Associations. (1928). Sewage works journal. Federation of Sewage Works Associations.
Chicago-referens (17:e uppl.)Federation of Sewage Works Associations. Sewage Works Journal. [Easton, Pa.: Federation of Sewage Works Associations, 1928.
MLA-referens (8:e uppl.)Federation of Sewage Works Associations. Sewage Works Journal. Federation of Sewage Works Associations, 1928.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.