Citace podle APA

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

Styl Chicago

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

Citace podle MLA

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

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