1995. Helsinki declaration on action for environment and health in Europe: Second European conference on environment and health. Helsinki, Finland 20-22 June 1994. Copenhagen: WHO.
Citace podle APA (7th ed.)(1995). Helsinki declaration on action for environment and health in Europe: Second European conference on environment and health. Helsinki, Finland 20-22 June 1994. WHO.
Citace podle Chicago (17th ed.)Helsinki Declaration on Action for Environment and Health in Europe: Second European Conference on Environment and Health. Helsinki, Finland 20-22 June 1994. Copenhagen: WHO, 1995.
Citace podle MLA (9th ed.)Helsinki Declaration on Action for Environment and Health in Europe: Second European Conference on Environment and Health. Helsinki, Finland 20-22 June 1994. WHO, 1995.
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