APA
(2002). Fluorides:Environmental Health Criteria 227. World Health Organisation, Geneva: .
Chicago
2002. Fluorides:Environmental Health Criteria 227. World Health Organisation, Geneva: .
Harvard
(2002). Fluorides:Environmental Health Criteria 227. World Health Organisation, Geneva: .
MLA
Fluorides:Environmental Health Criteria 227. World Health Organisation, Geneva: . 2002.