(1912): The gamebird of India, Burma and Ceylon. Part 7. Journ. Bombay Nat. Hist. Soc.. 21(3), 0722-0739. Baker, E. C. S. (1912): The gamebird of India
চাকৈ-চকোৱা চাকৈ-চকোৱা Museum specimen Stockley C H (1923) "Some notes on Indian game birds." J. Bombay Nat. Hist. Soc. 29 278–279 चक्रम् in Apte's dictionary[সংযোগবিহীন
extinción: 10-32 [in Spanish]. Las Palmas de Gran Canaria. PDF full text BirdLife International (BLI) (2008). Tyto alba. In: IUCN 2008. IUCN Red List of