Rujukan Caloramphinae

  1. Short, L. L.; Horne, J.F.M. (2004). "Family Capitonidae (barbets)". Dalam del Hoyo J.; Elliott A.; Christie D. A. (penyunting). Handbook of the Birds of the World. Volume 7. Jamacars to Woodpeckers. Barcelona: Lynx Edicions. ISBN 978-8487334375.
  2. Ericson, P. G. P. (2012). "Evolution of terrestrial birds in three continents: biogeography and parallel radiations". Journal of Biogeography. 39 (5): 813–824. doi:10.1111/j.1365-2699.2011.02650.x.
  3. den Tex, R.-J.; Leonard, J. A. (2013). "A molecular phylogeny of Asian barbets: Speciation and extinction in the tropics". Molecular Phylogenetics and Evolution. 68 (1): 1–13. doi:10.1016/j.ympev.2013.03.004. PMID 23511217.
  4. David, N. (2008). "Megalaiminae: the correct subfamily-group name for the Asian barbets". Bulletin of the British Ornithologists' Club. 128 (1): 72.