Prothero, D. R., & Dott, R. H. (2010). Evolution of the Earth (8th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Prothero, Donald R., agus Robert H. Dott. Evolution of the Earth. 8th ed. Dubuque, IA: McGraw-Hill, 2010.
Lua MLA (9ú heag.)Prothero, Donald R., agus Robert H. Dott. Evolution of the Earth. 8th ed. McGraw-Hill, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.