Não informado. (1928). Water pollution abstracts. Water Pollution Research Laboratory.
Chicago-referens (17:e uppl.)Não informado. Water Pollution Abstracts. London: Water Pollution Research Laboratory, 1928.
MLA-referens (8:e uppl.)Não informado. Water Pollution Abstracts. Water Pollution Research Laboratory, 1928.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.