Winkler, Hans; Christie, David A. 2002. Family Picidae (Woodpeckers) in del Hoyo, J., Elliott, A., & Sargatal, J., eds. Volume 7: Jacamars to Woodpeckers // Dünya quşlarının bələdçisi = Handbook of the birds of the world. — Barcelona: Lynx Edicions, 2002. — ISBN 84-87334-37-7(ing.)
