A C Kemp, Family Bucocerotidae (Hornbills), in del Hoyo Josep (a cura di), Handbook of the Birds of the World. Volume 6, Mousebirds to Hornbills, Barcelona, Lynx Edicions, 2001, pp. 436–487, ISBN978-84-87334-30-6.
(EN) F. Gill e D. Donsker (a cura di), Family Bucerotidae, in IOC World Bird Names (ver 9.2), International Ornithologists’ Union, 2019. URL consultato il 18 febbraio 2020.