Não informado. (2007). Annual report of the Director to the Board of Trustees. Chicago Natural History Museum.
Lua i Stíl Chicago (17ú heag.)Não informado. Annual Report of the Director to the Board of Trustees. Chicago, Ill: Chicago Natural History Museum, 2007.
Lua MLA (8ú heag.)Não informado. Annual Report of the Director to the Board of Trustees. Chicago Natural History Museum, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.