Agenda 21: Earth's action plan. The Commission on Environmental Law of IUCN-The World conservation Union.
Cita Chicago Style (17a ed.)Agenda 21: Earth's Action Plan. New York: The Commission on Environmental Law of IUCN-The World conservation Union.
Cita MLA (9a ed.)Agenda 21: Earth's Action Plan. The Commission on Environmental Law of IUCN-The World conservation Union.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.