World Health Organization. Regional Office for Europe & ebrary, Inc. (2010). Health and the environment in Europe: Progress assesment. WHO Regional Office for Europe.
Citazione stile Chigago Style (17a edizione)World Health Organization. Regional Office for Europe e Inc ebrary. Health and the Environment in Europe: Progress Assesment. Copenhagen: WHO Regional Office for Europe, 2010.
Citatione MLA (9a ed.)World Health Organization. Regional Office for Europe e Inc ebrary. Health and the Environment in Europe: Progress Assesment. WHO Regional Office for Europe, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.