↑ Loewen, M.A., Sampson, S.D., Lund, E.K., Farke, A.A., Aguillón-Martínez, M.C., de Leon, C.A., Rodríguez-de la Rosa, R.A., Getty, M.A., Eberth, D.A., 2010, "Horned Dinosaurs (Ornithischia: Ceratopsidae) from the Upper Cretaceous (Campanian) Cerro del Pueblo Formation, Coahuila, Mexico", In: Michael J. Ryan, Brenda J. Chinnery-Allgeier, and David A. Eberth (eds), New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium, Indiana University Press, 656 pp.
1 2 Gates,Terry A.;Sampson, Scott D.; Delgado de Jesús, Carlos R.; Zanno, Lindsay E.; Eberth, David; Hernandez-Rivera, René; Aguillón Martínez, Martha C.; and Kirkland, James I.(2007).“Velafrons coahuilensis, a new lambeosaurine hadrosaurid (Dinosauria: Ornithopoda) from the Late Campanian Cerro del Pueblo Formation, Coahuila, Mexico”.Journal of Vertebrate Paleontology27(4): 917–930.doi:10.1671/0272-4634(2007)27[917:VCANLH]2.0.CO;2.
↑ Horner,John R.;Weishampel, David B.; and Forster, Catherine A(2004).“Hadrosauridae”.InWeishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.).The Dinosauria(2nd ed.).Berkeley:University of California Press.pp.438–463.ISBN0-520-24209-2