Defending the environment. Island Press.
Trích dẫn kiểu ChicagoDefending the Environment. Island Press.
MLA引文Defending the Environment. Island Press.
警告：這些引文格式不一定是100％准確.
APA引文
Defending the environment. Island Press.
Trích dẫn kiểu ChicagoDefending the Environment. Island Press.
MLA引文Defending the Environment. Island Press.