Dell, O. E. (2009). Sustainable landscaping for dummies. Wiley.
Lua i Stíl Chicago (17ú heag.)Dell, Owen E. Sustainable Landscaping for Dummies. Hoboken, N.J: Wiley, 2009.
Lua MLA (9ú heag.)Dell, Owen E. Sustainable Landscaping for Dummies. Wiley, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.