(1981). Incentives in water quality management: France and the Ruhr Area. Resources for the Future.
Chicago-Zitierstil (17. Ausg.)Incentives in Water Quality Management: France and the Ruhr Area. Washington, D.C: Resources for the Future, 1981.
MLA-Zitierstil (9. Ausg.)Incentives in Water Quality Management: France and the Ruhr Area. Resources for the Future, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.