Fitzpatrick, M., & Bonnefoy, X. (1998). Environmental health services in Europe 3: Professional profiles. World Health Organization Regional Office for Europe.
Citazione stile Chigago Style (17a edizione)Fitzpatrick, Martin, e Xavier Bonnefoy. Environmental Health Services in Europe 3: Professional Profiles. Copenhagen: World Health Organization Regional Office for Europe, 1998.
Citatione MLA (9a ed.)Fitzpatrick, Martin, e Xavier Bonnefoy. Environmental Health Services in Europe 3: Professional Profiles. World Health Organization Regional Office for Europe, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.