Creisler, B.S. (September 1992). “Why Monoclonius Cope Was Not Named for Its Horn: The Etymologies of Cope's Dinosaurs”. Journal of Vertebrate Paleontology (Journal of Vertebrate Paleontology, Vol. 12, No. 3) 12 (3): 313–317. doi:10.1080/02724634.1992.10011462. JSTOR4523455.
jstor.org
Creisler, B.S. (September 1992). “Why Monoclonius Cope Was Not Named for Its Horn: The Etymologies of Cope's Dinosaurs”. Journal of Vertebrate Paleontology (Journal of Vertebrate Paleontology, Vol. 12, No. 3) 12 (3): 313–317. doi:10.1080/02724634.1992.10011462. JSTOR4523455.