Berger, A. (2011). Exterial Landscape: The result of economic and political decisions that were made without consideration of externalities, Exterial Landscapes involve costly environmental damage that can enable change and reclamation to ensure that the errors are not repeated. Topos.
Lua i Stíl Chicago (17ú heag.)Berger, Alan. "Exterial Landscape: The Result of Economic and Political Decisions That Were Made Without Consideration of Externalities, Exterial Landscapes Involve Costly Environmental Damage That Can Enable Change and Reclamation to Ensure That the Errors Are Not Repeated." Topos 2011.
Lua MLA (8ú heag.)Berger, Alan. "Exterial Landscape: The Result of Economic and Political Decisions That Were Made Without Consideration of Externalities, Exterial Landscapes Involve Costly Environmental Damage That Can Enable Change and Reclamation to Ensure That the Errors Are Not Repeated." Topos, 2011.