Alexander O. Averianov, Alexei V. Voronkevich, Sergei V. Leshchinskiy, Alexei V. Fayngertz. A ceratopsian dinosaur Psittacosaurus sibiricus from the Early Cretaceous of West Siberia, Russia and its phylogenetic relationships. „Journal of Systematic Paleontology”. 4 (4), s. 359–395, 2006. DOI: 10.1017/S1477201906001933. (ang.).
Theagarten Lingham-Soliar, Gerhard Plodowski. The integument of Psittacosaurus from Liaoning Province, China: taphonomy, epidermal patterns and color of a ceratopsian dinosaur. „Naturwissenschaften”. 97 (5), s. 479–486, 2010. DOI: 10.1007/s00114-010-0661-3. (ang.).
Brandon P. Hedrick i Peter Dodson. Lujiatun Psittacosaurids: Understanding Individual and Taphonomic Variation Using 3D Geometric Morphometrics. „PLoS ONE”. 8 (8), s. e69265, 2013. DOI: 10.1371/journal.pone.0069265. (ang.).
Paul C. Sereno, Zhao Xijin, Tan Lin. A new psittacosaur from Inner Mongolia and the parrot-like structure and function of the psittacosaur skull. „Proceedings of the Royal Society B: Biological Sciences”. 277 (1679), s. 199–209, 2010. DOI: 10.1098/rspb.2009.0691. (ang.).
Gerald Mayr, D. Stephan Peters, Gerhard Plodowski, Olaf Vogel. Bristle-like integumentary structures at the tail of the horned dinosaur Psittacosaurus. „Naturwissenschaften”. 89 (8), s. 361–365, 2002. DOI: 10.1007/s00114-002-0339-6. (ang.).
Gregory M. Erickson, Peter J. Makovicky, Brian D. Inouye, Zhou Changfu, Gao Keqin. A life table for Psittacosaurus lujiatunensis: initial insights into ornithischian dinosaur population biology. „Anatomical Record”. 292 (9), s. 1514–1521, 2009. DOI: 10.1002/ar.20992. (ang.).
Qi Zhao, Michael J. Benton, Xing Xu i Martin J. Sander. Juvenile-only clusters and behaviour of the Early Cretaceous dinosaur Psittacosaurus. „Acta Palaeontologica Polonica”, 2013. DOI: 10.4202/app.2012.0128. (ang.).
Alexander O.A.O.AverianovAlexander O.A.O. i inni, A Ceratopsian dinosaur Psittacosaurus sibiricus from the Early Cretaceous of West Siberia, Russia and its phylogenetic relationships, „Journal of Systematic Palaeontology”, 4 (4), 2006, s. 359–395, DOI: 10.1017/S1477201906001933, ISSN1477-2019 [dostęp 2017-05-01].
JunchangJ.LüJunchangJ. i inni, A new Psittacosaurus (Dinosauria: Ceratopsia) specimen from the Yixian Formation of western Liaoning, China: the first pathological psittacosaurid, „Cretaceous Research”, 28 (2), 2007, s. 272–276, DOI: 10.1016/j.cretres.2006.08.005.
Alexander O.A.O.AverianovAlexander O.A.O. i inni, A Ceratopsian dinosaur Psittacosaurus sibiricus from the Early Cretaceous of West Siberia, Russia and its phylogenetic relationships, „Journal of Systematic Palaeontology”, 4 (4), 2006, s. 359–395, DOI: 10.1017/S1477201906001933, ISSN1477-2019 [dostęp 2017-05-01].