Trích dẫn APA

Gupta, S. (1999). International encyclopaedia of global environment and social development: Environment and social issues. Sarup & sons.

Trích dẫn kiểu Chicago

Gupta, Sunit. International Encyclopaedia of Global Environment and Social Development: Environment and Social Issues. New Delhi: Sarup & sons, 1999.

Trích dẫn MLA

Gupta, Sunit. International Encyclopaedia of Global Environment and Social Development: Environment and Social Issues. Sarup & sons, 1999.

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