APA-Zitierstil (7. Ausg.)
Environmental Law Institute & ebrary, Inc. (1999). Plumbing the future: Sewage infrastructure and sustainability in western Pennsylvania. Environmental Law Institute.
Chicago-Zitierstil (17. Ausg.)
Environmental Law Institute und Inc ebrary. Plumbing the Future: Sewage Infrastructure and Sustainability in Western Pennsylvania. Washington, D.C.: Environmental Law Institute, 1999.
MLA-Zitierstil (9. Ausg.)
Environmental Law Institute und Inc ebrary. Plumbing the Future: Sewage Infrastructure and Sustainability in Western Pennsylvania. Environmental Law Institute, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.