Gaya APA

Fifty key thinkers on the environment / edited by, Joy A. Palmer : advisory editors, David E. Cooper and Peter Blaze Corcoran. (2001). : London : Routledge.

Gaya MLA

Fifty key thinkers on the environment / edited by, Joy A. Palmer : advisory editors, David E. Cooper and Peter Blaze Corcoran. . : London : Routledge, 2001. Text.