Não informado. (1964). Water works and wastes engineering. R.H. Donnelley, Magazine Publishing Division.
Chicago-referens (17:e uppl.)Não informado. Water Works and Wastes Engineering. New York: R.H. Donnelley, Magazine Publishing Division, 1964.
MLA-referens (8:e uppl.)Não informado. Water Works and Wastes Engineering. R.H. Donnelley, Magazine Publishing Division, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.