APA Zitierstil

Postel, S. (2005). Liquid assets: The critical need to safeguard freshwater ecosystems. Washington, D.C: Worldwatch Institute.

Chicago Zitierstil

Postel, Sandra. Liquid Assets: The Critical Need to Safeguard Freshwater Ecosystems. Washington, D.C: Worldwatch Institute, 2005.

MLA Zitierstil

Postel, Sandra. Liquid Assets: The Critical Need to Safeguard Freshwater Ecosystems. Washington, D.C: Worldwatch Institute, 2005.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.