Roberts, N. (2014). Holocene: An environmental history (Third edition.). Wiley Blackwell.
Lua i Stíl Chicago (17ú heag.)Roberts, Neil. Holocene: An Environmental History. Third edition. Chichester, England: Wiley Blackwell, 2014.
Lua MLA (9ú heag.)Roberts, Neil. Holocene: An Environmental History. Third edition. Wiley Blackwell, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.