UNEP, U. (2002). Children in the new millenium: Environmental impact on health. UNEP.
Cita Chicago Style (17a ed.)UNEP, UNICEF. Children in the New Millenium: Environmental Impact on Health. Nairobi: UNEP, 2002.
Cita MLA (9a ed.)UNEP, UNICEF. Children in the New Millenium: Environmental Impact on Health. UNEP, 2002.
Precaución: Estas citas no son 100% exactas.