Template:Cracraft, 2013
- Cracraft, J. 2013. Avian Higher-level Relationships and Classification: Nonpasseriforms. xxi–xliii. In: Dickinson, E.C. & Remsen, J.V. (eds.) 2013. The Howard & Moore Complete Checklist of the Birds of the World. 4th Edition. Volume 1: Non-passerines. Eastbourne: Aves Press. ISBN 978-0-9568611-0-8