Fitzpatrick, M. (2002). Environmental health services in Europe 6: The development of professional associations. World Health Organization Regional Office for Europe.
Chicago-Zitierstil (17. Ausg.)Fitzpatrick, Martin. Environmental Health Services in Europe 6: The Development of Professional Associations. Copenhagen, Denmark: World Health Organization Regional Office for Europe, 2002.
MLA-Zitierstil (9. Ausg.)Fitzpatrick, Martin. Environmental Health Services in Europe 6: The Development of Professional Associations. World Health Organization Regional Office for Europe, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.