Beck, T. (2013). Principles of ecological landscape design. Island Press/Center for Resource Economics.
Chicago-referens (17:e uppl.)Beck, Travis. Principles of Ecological Landscape Design. Washington, DC: Island Press/Center for Resource Economics, 2013.
MLA-referens (8:e uppl.)Beck, Travis. Principles of Ecological Landscape Design. Island Press/Center for Resource Economics, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.