Woodall, Peter (2001). "Family Alcedinidae (Kingfishers)". In del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi (eds.). Handbook of the Birds of the World. Vol. Volume 6, Mousebirds to Hornbills. Barcelona: Lynx Edicions. pp. 103–187. ISBN978-84-87334-30-6. {{cite book}}: |volume= has extra text (help)