Ryan, Peter (2006). “Family Cisticolidae (Cisticolas and allies)”. Trong del Hoyo, Josep; Elliott, Andrew; Christie, David A. Handbook of the Birds of the World: Volume 11. Old World Flycatchers to Old World Warblers. Barcelona, Spain: Lynx Edicions. tr. 378–492. ISBN978-84-96553-06-4.