APA aipamena

Caldwell, L. K. (1991). International environmental policy: Emergence and dimensions (2nd ed.). East-West Press.

Chicago Style aipamena

Caldwell, Lynton Keith. International Environmental Policy: Emergence and Dimensions. 2nd ed. New Delhi: East-West Press, 1991.

MLA aipamena

Caldwell, Lynton Keith. International Environmental Policy: Emergence and Dimensions. 2nd ed. East-West Press, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.