World Health Organization. Regional Office for Europe & ebrary, Inc. (2010). Health and the environment in Europe: Progress assesment. WHO Regional Office for Europe.
Chicago-čujuhus (17. p.)World Health Organization. Regional Office for Europe juo Inc ebrary. Health and the Environment in Europe: Progress Assesment. Copenhagen: WHO Regional Office for Europe, 2010.
MLA-čujuhus (9. p.)World Health Organization. Regional Office for Europe juo Inc ebrary. Health and the Environment in Europe: Progress Assesment. WHO Regional Office for Europe, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.