Silke Fregin; Martin Haase; Urban Olsson; Per Alstrom. Multi-locus phylogeny of the family Acrocephalidae (Aves: Passeriformes) - The traditional taxonomy overthrown. Molecular Phylogenetics and Evolution. 2009, 52 (3): 866–878. PMID 19393746. doi:10.1016/j.ympev.2009.04.006.
Silke Fregin; Martin Haase; Urban Olsson; Per Alstrom. Multi-locus phylogeny of the family Acrocephalidae (Aves: Passeriformes) - The traditional taxonomy overthrown. Molecular Phylogenetics and Evolution. 2009, 52 (3): 866–878. PMID 19393746. doi:10.1016/j.ympev.2009.04.006.