(1990). Environmental education and sustainable development. Indian Environmental Socienty.
Chicago-стиль цитированияEnvironmental Education and Sustainable Development. New Delhi: Indian Environmental Socienty, 1990.
MLA-цитированиеEnvironmental Education and Sustainable Development. Indian Environmental Socienty, 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.