APA引文

Steel, B. (2003). Environmental politics and policy: A comparative approach. Boston, MA: McGraw-Hill.

Trích dẫn kiểu Chicago

Steel, Brent. Environmental Politics and Policy: A Comparative Approach. Boston, MA: McGraw-Hill, 2003.

MLA引文

Steel, Brent. Environmental Politics and Policy: A Comparative Approach. Boston, MA: McGraw-Hill, 2003.

警告：這些引文格式不一定是100％准確.