Briggs, D. J. (2003). Making a difference: Indicators to improve children's environmental health. World Health Organization.
Chicago-Zitierstil (17. Ausg.)Briggs, David J. Making a Difference: Indicators to Improve Children's Environmental Health. Geneva: World Health Organization, 2003.
MLA-Zitierstil (8. Ausg.)Briggs, David J. Making a Difference: Indicators to Improve Children's Environmental Health. World Health Organization, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.