Caldwell, L. K. (1991). Internatinoal Envirnmental Policy Emergence and Dimensions (2nd ed.). Affiliated East-West Press.
শিকাগো স্টাইলে সাইটেশনCaldwell, Lynton Keith. Internatinoal Envirnmental Policy Emergence and Dimensions. 2nd ed. New Delhi: Affiliated East-West Press, 1991.
এমএলএ সাইটেশনCaldwell, Lynton Keith. Internatinoal Envirnmental Policy Emergence and Dimensions. 2nd ed. Affiliated East-West Press, 1991.
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