Alstrom, P; J. Fjeldsa; S. Fregin; U Olsson (2011). "Gross morphology betrays phylogeny: the Scrub Warbler Scotocerca inquieta is not a cisticolid". Ibis153: 87–97. doi:10.1111/j.1474-919x.2010.01093.x. ISSN0019-1019.
Alstrom, P; J. Fjeldsa; S. Fregin; U Olsson (2011). "Gross morphology betrays phylogeny: the Scrub Warbler Scotocerca inquieta is not a cisticolid". Ibis153: 87–97. doi:10.1111/j.1474-919x.2010.01093.x. ISSN0019-1019.