アヴァケラトプス
ISBN 0-691-05900-4
Penkalski, P & Dodson, P (1999). “The morphology and systematics of Avaceratops, a primitive horned dinosaur from the Judith River Formation (Late Campanian) of Montana, with the description of a second skull.”. Journal of Vertebrate Paleontology 19 (4): 692–711.
Groups of Dinosaurs
The Humongous Book of Dinosaurs, published by Stewart Tabori & Chang