Não informado. (1981). Water engineering and management. Scranton Gillette Communications.
Chicago-referens (17:e uppl.)Não informado. Water Engineering and Management. Des Plaines, Ill: Scranton Gillette Communications, 1981.
MLA-referens (8:e uppl.)Não informado. Water Engineering and Management. Scranton Gillette Communications, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.