APA aipamena

Steel, B. S. (2003). Environmental politics and polidy: A comparative approach. McGraw-Hill.

Chicago Style aipamena

Steel, Brent S. Environmental Politics and Polidy: A Comparative Approach. McGraw-Hill, 2003.

MLA aipamena

Steel, Brent S. Environmental Politics and Polidy: A Comparative Approach. McGraw-Hill, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.