Gaya APA

, ., Anil, I, M. (2001). Measuring environmental degradation: developing pressure indicators for europe . Massachusetts: Massachusetts: Edward Elgar, 2001.

Gaya MLA

, ., Anil, I., Markandya,. "Measuring environmental degradation: developing pressure indicators for europe". Massachusetts: Massachusetts: Edward Elgar, 2001, 2001. .