Duckworth, J. W.; Alstrom, Per; Davidson, P.; Evans, T. D.; Poole, C. M.; Setha, Tan; Timmins, R. J. (2001). "A new species of wagtail from the lower Mekong basin". Bulletin of the British Ornithologists' Club. 121: 152–182. Retrieved 21 August 2024.