Short, L.L.; Horne, J.F.M. (2002). "Family Capitonidae (Barbets)". In del Hoyo, J.; Elliott, A.; Sargatal, J. (eds.). Handbook of the Birds of the World. Vol. 7: Jacamars to Woodpeckers. Barcelona, Spain: Lynx Edicions. pp. 140-219 [195-196]. ISBN978-84-87334-37-5.