Fitzpatrick, M. (2002). Environmental health services in Europe 6: The development of professional associations. World Health Organization Regional Office for Europe.
Style de citation Chicago (17e éd.)Fitzpatrick, Martin. Environmental Health Services in Europe 6: The Development of Professional Associations. Copenhagen, Denmark: World Health Organization Regional Office for Europe, 2002.
Style de citation MLA (9e éd.)Fitzpatrick, Martin. Environmental Health Services in Europe 6: The Development of Professional Associations. World Health Organization Regional Office for Europe, 2002.
Attention : ces citations peuvent ne pas être correctes à 100%.