Bo Beolens, Michael Watkins, Michael Grayson: The Eponym Dictionary of Birds. Johns Hopkins University Press, 2014. ISBN 978-1-4729-0573-4. Kirja Googlen teoshaussa (viitattu 14.5.2015). (englanniksi)
Morten Strange: Photographic Guide to the Birds of Thailand: Including Southeast Asia & the Philippines, s. 221. Tuttle Publishing, 2013. ISBN 978-1-4629-1434-0. Kirja Googlen teoshaussa (viitattu 15.5.2015). (englanniksi)
iucnredlist.org
Pitta steeriiIUCN Red List of Threatened Species. International Union for Conservation of Nature, IUCN, Iucnredlist.org. (englanniksi)
