Não informado. (1966). Water and wastes engineering. Technical Publishing Corporation.
Lua i Stíl Chicago (17ú heag.)Não informado. Water and Wastes Engineering. New York: Technical Publishing Corporation, 1966.
Lua MLA (8ú heag.)Não informado. Water and Wastes Engineering. Technical Publishing Corporation, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.