Beardsley, J., & Werthmann, C. (2008). Dirty Work: Two different strategies for landscape interventions in informal cities in Argentina and Brazil show the significance of landscape in improving the quality of life in low-income settlements. Topos.
Lua i Stíl Chicago (17ú heag.)Beardsley, John, agus Christian Werthmann. "Dirty Work: Two Different Strategies for Landscape Interventions in Informal Cities in Argentina and Brazil Show the Significance of Landscape in Improving the Quality of Life in Low-income Settlements." Topos 2008.
Lua MLA (8ú heag.)Beardsley, John, agus Christian Werthmann. "Dirty Work: Two Different Strategies for Landscape Interventions in Informal Cities in Argentina and Brazil Show the Significance of Landscape in Improving the Quality of Life in Low-income Settlements." Topos, 2008.