Jobling, J.A. (2019). del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (eds.). "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
Gill, Frank; Donsker, David, eds. (2019). "Tyrant flycatchers". World Bird List Version 9.2. International Ornithologists' Union. Retrieved 29 June 2019.