Clodd, E. (1895). The story of "primitive" man. D. Appleton and company.
Lua i Stíl Chicago (17ú heag.)Clodd, Edward. The Story of "Primitive" Man. New York: D. Appleton and company, 1895.
Lua MLA (9ú heag.)Clodd, Edward. The Story of "Primitive" Man. D. Appleton and company, 1895.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.