Gaya APA

A dictionary of environmental economics, science, and policy [sumber elektronik] / by R. Quentin Grafton, Linwood H. Pendleton, Harry W. Nelson.. (2001). : .

Gaya MLA

A dictionary of environmental economics, science, and policy [sumber elektronik] / by R. Quentin Grafton, Linwood H. Pendleton, Harry W. Nelson.. . : , 2001. Text.