World Health Organization & United nations Environment Programme. (1991). IPCS: Environmental health criteria 125 platinum. World Health Organization.
Chicago (17e ed.) BronvermeldingWorld Health Organization en United nations Environment Programme. IPCS: Environmental Health Criteria 125 Platinum. Geneva: World Health Organization, 1991.
MLA (8e ed.) BronvermeldingWorld Health Organization en United nations Environment Programme. IPCS: Environmental Health Criteria 125 Platinum. World Health Organization, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.