Briggs, D. J. (2003). Making a difference: Indicators to improve children's environmental health. World Health Organization.
Chicago (17e ed.) BronvermeldingBriggs, David J. Making a Difference: Indicators to Improve Children's Environmental Health. Geneva: World Health Organization, 2003.
MLA (8e ed.) BronvermeldingBriggs, David J. Making a Difference: Indicators to Improve Children's Environmental Health. World Health Organization, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.