British Museum (Natural History). (1934). Fossils and minerals (5th ed.). the Museum.
Lua i Stíl Chicago (17ú heag.)British Museum (Natural History). Fossils and Minerals. 5th ed. London: the Museum, 1934.
Lua MLA (8ú heag.)British Museum (Natural History). Fossils and Minerals. 5th ed. the Museum, 1934.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.