Fitzpatrick, John W.; Stotz, Douglas F. (1997). "A New Species of Tyrannulet (Phylloscartes) from the Andean Foothills of Peru and Bolivia". Ornithological Monographs. 48: Studies in Neotropical Ornithology Honoring Ted Parker (48): 36–44. doi:10.2307/40157526. JSTOR40157526.
Fitzpatrick, John W.; Stotz, Douglas F. (1997). "A New Species of Tyrannulet (Phylloscartes) from the Andean Foothills of Peru and Bolivia". Ornithological Monographs. 48: Studies in Neotropical Ornithology Honoring Ted Parker (48): 36–44. doi:10.2307/40157526. JSTOR40157526.