Jobling, J.A. (2019). "Tolmomyias". Handbook of the Birds of the World Alive: Key to Scientific Names in Ornithology. Lynx Edicions. Retrieved 29 June 2019.
Caballero, I.; Kirwan, G.M. (2019). del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (eds.). "Yellow-margined Flatbill (Tolmomyias assimilis)". Handbook of the Birds of the World Alive. Lynx Edicions. Retrieved 30 June 2019.
worldbirdnames.org
"Tyrant flycatchers". World Bird List Version 9.2. International Ornithologists' Union. 2019. Retrieved 29 June 2019.
