Mallegni, F (2003). „Homo cepranensis sp. nov. and the evolution of African-European Middle Pleistocene hominids”. Comptes rendus de l'Académie des sciencessvezak 2 (broj 2): str. 153. – 159.. DOI:10.1016/S1631-0683(03)00015-0. ISSN1631-0683.
Muttoni, Giovanni; Scardia, Giancarlo; Kent, Dennis V.; Swisher, Carl C.; Manzi, Giorgio (2009). „Pleistocene magnetochronology of early hominin sites at Ceprano and Fontana Ranuccio, Italy”. Earth Planet. Sci. Lett.svezak 286 (Early online): str. 255.. DOI:10.1016/j.epsl.2009.06.032.
Mallegni, F (2003). „Homo cepranensis sp. nov. and the evolution of African-European Middle Pleistocene hominids”. Comptes rendus de l'Académie des sciencessvezak 2 (broj 2): str. 153. – 159.. DOI:10.1016/S1631-0683(03)00015-0. ISSN1631-0683.