Young, R. A. (2012). Stewardship of the built environment: Sustainability, preservation, and reuse. Island Press.
Lua i Stíl Chicago (17ú heag.)Young, Robert A. Stewardship of the Built Environment: Sustainability, Preservation, and Reuse. Washington, D.C.: Island Press, 2012.
Lua MLA (9ú heag.)Young, Robert A. Stewardship of the Built Environment: Sustainability, Preservation, and Reuse. Island Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.