Sánchez-Beristain, F. (2012). The first report of "chaetetids" from the Cretaceous of North America and their palaeoecological implications. Universidad Nacional Autónoma de México.
Cita Chicago Style (17a ed.)Sánchez-Beristain, Francisco. The First Report of "Chaetetids" from the Cretaceous of North America and Their Palaeoecological Implications. Universidad Nacional Autónoma de México, 2012.
Cita MLA (9a ed.)Sánchez-Beristain, Francisco. The First Report of "Chaetetids" from the Cretaceous of North America and Their Palaeoecological Implications. Universidad Nacional Autónoma de México, 2012.
Precaución: Estas citas no son 100% exactas.