Não informado. (1928). Water pollution abstracts. Water Pollution Research Laboratory.
Lua i Stíl Chicago (17ú heag.)Não informado. Water Pollution Abstracts. London: Water Pollution Research Laboratory, 1928.
Lua MLA (8ú heag.)Não informado. Water Pollution Abstracts. Water Pollution Research Laboratory, 1928.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.