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↑ del Hoyo Josep; Elliott Andrew & Sargatal Jordi (chủ biên) (2006): Handbook of Birds of the World (Quyển 11: Old World Flycatchers to Old World Warblers). Lynx Edicions, Barcelona. ISBN 84-96553-06-X
↑ Beresford P.; Barker F.K.; Ryan P.G.; & Crowe T.M. (2005): African endemics span the tree of songbirds (Passeri): molecular systematics of several evolutionary 'enigmas'. Proceedings of the Royal Society 272 (1565): 849–858. doi:10.1098/rspb.2004.2997toàn văn PDFphụ lục[liên kết hỏng]
↑ Oliveros C.H., S. Reddy, R.G. Moyle (2012), The phylogenetic position of some Philippine "babblers" spans the muscicapoid and sylvioid bird radiations, Mol. Phylogenet. Evol. 65, 799-804.
