Dyfyniad APA

Caldwell, L. K. (1991). Internatinoal Envirnmental Policy Emergence and Dimensions (2nd ed.). Affiliated East-West Press.

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

Caldwell, Lynton Keith. Internatinoal Envirnmental Policy Emergence and Dimensions. 2nd ed. Affiliated East-West Press, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.