„Polioptila clementsi” változatai közötti eltérés

* {{hely |Jboyd.net Taxo}} {{cite web |url=http://jboyd.net/Taxo/List24.html#Polioptilidae|title=Jboyd.net szerinti rendszerbesorolása|accessdate=2011-11-17|format= |work=}}

* {{hely |Birdlife.org }} {{cite web |url=http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=32355&m=0|title= BirdLife International |accessdate= |format= |work=}} {{en}}

* Whitney, Bret M. and José Alvarez Alonso (2005) A new species of Gnatcatcher from white-sand forests of northern Amazonian Peru, with revision of the ''Polioptila guianensis'' complex [[The Wilson Bulletin]] Vol. 117 No. 2 pp. 113-127