Unesco. (1983). World concerns and the United Nations Model Teaching units for primary. Secondary and teacher education.
Citação norma ChicagoUnesco. World Concerns and the United Nations Model Teaching Units for Primary. Secondary and teacher education, 1983.
Citação norma MLAUnesco. World Concerns and the United Nations Model Teaching Units for Primary. Secondary and teacher education, 1983.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.