Beck, T. (2013). Principles of ecological landscape design. Island Press.
Lua i Stíl Chicago (17ú heag.)Beck, Travis. Principles of Ecological Landscape Design. Washington, D.C: Island Press, 2013.
Lua MLA (9ú heag.)Beck, Travis. Principles of Ecological Landscape Design. Island Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.