(1990). Environmental education and sustainable development. Indian Environmental Socienty.
Citação norma ChicagoEnvironmental Education and Sustainable Development. New Delhi: Indian Environmental Socienty, 1990.
Citação norma MLAEnvironmental Education and Sustainable Development. Indian Environmental Socienty, 1990.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.