American Water Works Association. (1985). AWWA seminar on acid rain: Proceedings ; annual conference Washington, DC, June 23, 1985.
Chicago-Zitierstil (17. Ausg.)American Water Works Association. AWWA Seminar on Acid Rain: Proceedings ; Annual Conference Washington, DC, June 23, 1985. Denver, Colo, 1985.
MLA-Zitierstil (9. Ausg.)American Water Works Association. AWWA Seminar on Acid Rain: Proceedings ; Annual Conference Washington, DC, June 23, 1985. 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.