APA aipamena

Rosenbaum,Walter A. (1990). Environmental politics and policy (2.). East West.

Chicago Style aipamena

Rosenbaum,Walter A. Environmental Politics and Policy. 2. New Delhi: East West, 1990.

MLA aipamena

Rosenbaum,Walter A. Environmental Politics and Policy. 2. East West, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.