Luanna taifid
Lua APA (7ú heag.)
Environmental Law Institute & ebrary, Inc. (1999). Plumbing the future: Sewage infrastructure and sustainability in western Pennsylvania. Environmental Law Institute.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
Environmental Law Institute agus Inc ebrary. Plumbing the Future: Sewage Infrastructure and Sustainability in Western Pennsylvania. Washington, D.C.: Environmental Law Institute, 1999.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
Environmental Law Institute agus Inc ebrary. Plumbing the Future: Sewage Infrastructure and Sustainability in Western Pennsylvania. Environmental Law Institute, 1999.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.