Template:Alvarenga et al., 2011
- Alvarenga, H., Chiappe, L. & Bertelli, S. 2011. Phorusrhacids: the terror birds. Pp. 187–208. In Dyke, G. & Kaiser, G. (eds) Living dinosaurs: the evolutionary history of modern birds. John Wiley & Sons: Chichester. ISBN 978-0-4706-5666-2.