Smith, M. Eyewitness living earth (1a ed.).
Lua i Stíl Chicago (17ú heag.)Smith, Miranda. Eyewitness Living Earth. 1a ed.
Lua MLA (8ú heag.)Smith, Miranda. Eyewitness Living Earth. 1a ed.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.