India. Department of Environment. Environmental Information System (ENVIS). (1984). Directory of non-governmental organisations in environment. Environmental Information System (ENVIS), Department of Environment, Government of India.
Chicagoスタイル(17版)引用形式India. Department of Environment. Environmental Information System (ENVIS). Directory of Non-governmental Organisations in Environment. New Delhi: Environmental Information System (ENVIS), Department of Environment, Government of India, 1984.
MLA(9版)引用形式India. Department of Environment. Environmental Information System (ENVIS). Directory of Non-governmental Organisations in Environment. Environmental Information System (ENVIS), Department of Environment, Government of India, 1984.
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